21846720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3251}}^1$

素因数の和:3278

約数の個数: 112

約数和(自身を含む): 79296768

約数和(自身を除く): 57450048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3251, 3360, 6502, 6720, 9753, 13004, 16255, 19506, 22757, 26008, 32510, 39012, 45514, 48765, 52016, 65020, 68271, 78024, 91028, 97530, 104032, 113785, 130040, 136542, 156048, 182056, 195060, 208064, 227570, 260080, 273084, 312096, 341355, 364112, 390120, 455140, 520160, 546168, 624192, 682710, 728224, 780240, 910280, 1040320, 1092336, 1365420, 1456448, 1560480, 1820560, 2184672, 2730840, 3120960, 3641120, 4369344, 5461680, 7282240, 10923360, 21846720]

約数ペア:

[(1, 21846720), (2, 10923360), (3, 7282240), (4, 5461680), (5, 4369344), (6, 3641120), (7, 3120960), (8, 2730840), (10, 2184672), (12, 1820560), (14, 1560480), (15, 1456448), (16, 1365420), (20, 1092336), (21, 1040320), (24, 910280), (28, 780240), (30, 728224), (32, 682710), (35, 624192), (40, 546168), (42, 520160), (48, 455140), (56, 390120), (60, 364112), (64, 341355), (70, 312096), (80, 273084), (84, 260080), (96, 227570), (105, 208064), (112, 195060), (120, 182056), (140, 156048), (160, 136542), (168, 130040), (192, 113785), (210, 104032), (224, 97530), (240, 91028), (280, 78024), (320, 68271), (336, 65020), (420, 52016), (448, 48765), (480, 45514), (560, 39012), (672, 32510), (840, 26008), (960, 22757), (1120, 19506), (1344, 16255), (1680, 13004), (2240, 9753), (3251, 6720), (3360, 6502)]