21517501920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{4903}}^1$

素因数の和:5185

約数の個数: 192

約数和(自身を含む): 69758889984

約数和(自身を除く): 48241388064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 223, 240, 246, 328, 410, 446, 480, 492, 615, 656, 669, 820, 892, 984, 1115, 1230, 1312, 1338, 1640, 1784, 1968, 2230, 2460, 2676, 3280, 3345, 3568, 3936, 4460, 4903, 4920, 5352, 6560, 6690, 7136, 8920, 9143, 9806, 9840, 10704, 13380, 14709, 17840, 18286, 19612, 19680, 21408, 24515, 26760, 27429, 29418, 35680, 36572, 39224, 45715, 49030, 53520, 54858, 58836, 73144, 73545, 78448, 91430, 98060, 107040, 109716, 117672, 137145, 146288, 147090, 156896, 182860, 196120, 201023, 219432, 235344, 274290, 292576, 294180, 365720, 392240, 402046, 438864, 470688, 548580, 588360, 603069, 731440, 784480, 804092, 877728, 1005115, 1093369, 1097160, 1176720, 1206138, 1462880, 1608184, 2010230, 2186738, 2194320, 2353440, 2412276, 3015345, 3216368, 3280107, 4020460, 4373476, 4388640, 4824552, 5466845, 6030690, 6432736, 6560214, 8040920, 8746952, 9649104, 10933690, 12061380, 13120428, 16081840, 16400535, 17493904, 19298208, 21867380, 24122760, 26240856, 32163680, 32801070, 34987808, 43734760, 44828129, 48245520, 52481712, 65602140, 87469520, 89656258, 96491040, 104963424, 131204280, 134484387, 174939040, 179312516, 224140645, 262408560, 268968774, 358625032, 448281290, 524817120, 537937548, 672421935, 717250064, 896562580, 1075875096, 1344843870, 1434500128, 1793125160, 2151750192, 2689687740, 3586250320, 4303500384, 5379375480, 7172500640, 10758750960, 21517501920]

約数ペア:

[(1, 21517501920), (2, 10758750960), (3, 7172500640), (4, 5379375480), (5, 4303500384), (6, 3586250320), (8, 2689687740), (10, 2151750192), (12, 1793125160), (15, 1434500128), (16, 1344843870), (20, 1075875096), (24, 896562580), (30, 717250064), (32, 672421935), (40, 537937548), (41, 524817120), (48, 448281290), (60, 358625032), (80, 268968774), (82, 262408560), (96, 224140645), (120, 179312516), (123, 174939040), (160, 134484387), (164, 131204280), (205, 104963424), (223, 96491040), (240, 89656258), (246, 87469520), (328, 65602140), (410, 52481712), (446, 48245520), (480, 44828129), (492, 43734760), (615, 34987808), (656, 32801070), (669, 32163680), (820, 26240856), (892, 24122760), (984, 21867380), (1115, 19298208), (1230, 17493904), (1312, 16400535), (1338, 16081840), (1640, 13120428), (1784, 12061380), (1968, 10933690), (2230, 9649104), (2460, 8746952), (2676, 8040920), (3280, 6560214), (3345, 6432736), (3568, 6030690), (3936, 5466845), (4460, 4824552), (4903, 4388640), (4920, 4373476), (5352, 4020460), (6560, 3280107), (6690, 3216368), (7136, 3015345), (8920, 2412276), (9143, 2353440), (9806, 2194320), (9840, 2186738), (10704, 2010230), (13380, 1608184), (14709, 1462880), (17840, 1206138), (18286, 1176720), (19612, 1097160), (19680, 1093369), (21408, 1005115), (24515, 877728), (26760, 804092), (27429, 784480), (29418, 731440), (35680, 603069), (36572, 588360), (39224, 548580), (45715, 470688), (49030, 438864), (53520, 402046), (54858, 392240), (58836, 365720), (73144, 294180), (73545, 292576), (78448, 274290), (91430, 235344), (98060, 219432), (107040, 201023), (109716, 196120), (117672, 182860), (137145, 156896), (146288, 147090)]