21932040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 75116160

約数和(自身を除く): 53184120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 827, 884, 1020, 1105, 1326, 1560, 1654, 1768, 2040, 2210, 2481, 2652, 3308, 3315, 4135, 4420, 4962, 5304, 6616, 6630, 8270, 8840, 9924, 10751, 12405, 13260, 14059, 16540, 19848, 21502, 24810, 26520, 28118, 32253, 33080, 42177, 43004, 49620, 53755, 56236, 64506, 70295, 84354, 86008, 99240, 107510, 112472, 129012, 140590, 161265, 168708, 182767, 210885, 215020, 258024, 281180, 322530, 337416, 365534, 421770, 430040, 548301, 562360, 645060, 731068, 843540, 913835, 1096602, 1290120, 1462136, 1687080, 1827670, 2193204, 2741505, 3655340, 4386408, 5483010, 7310680, 10966020, 21932040]

約数ペア:

[(1, 21932040), (2, 10966020), (3, 7310680), (4, 5483010), (5, 4386408), (6, 3655340), (8, 2741505), (10, 2193204), (12, 1827670), (13, 1687080), (15, 1462136), (17, 1290120), (20, 1096602), (24, 913835), (26, 843540), (30, 731068), (34, 645060), (39, 562360), (40, 548301), (51, 430040), (52, 421770), (60, 365534), (65, 337416), (68, 322530), (78, 281180), (85, 258024), (102, 215020), (104, 210885), (120, 182767), (130, 168708), (136, 161265), (156, 140590), (170, 129012), (195, 112472), (204, 107510), (221, 99240), (255, 86008), (260, 84354), (312, 70295), (340, 64506), (390, 56236), (408, 53755), (442, 49620), (510, 43004), (520, 42177), (663, 33080), (680, 32253), (780, 28118), (827, 26520), (884, 24810), (1020, 21502), (1105, 19848), (1326, 16540), (1560, 14059), (1654, 13260), (1768, 12405), (2040, 10751), (2210, 9924), (2481, 8840), (2652, 8270), (3308, 6630), (3315, 6616), (4135, 5304), (4420, 4962)]