21483240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10531}}^1$

素因数の和:10562

約数の個数: 64

約数和(自身を含む): 68247360

約数和(自身を除く): 46764120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10531, 21062, 31593, 42124, 52655, 63186, 84248, 105310, 126372, 157965, 179027, 210620, 252744, 315930, 358054, 421240, 537081, 631860, 716108, 895135, 1074162, 1263720, 1432216, 1790270, 2148324, 2685405, 3580540, 4296648, 5370810, 7161080, 10741620, 21483240]

約数ペア:

[(1, 21483240), (2, 10741620), (3, 7161080), (4, 5370810), (5, 4296648), (6, 3580540), (8, 2685405), (10, 2148324), (12, 1790270), (15, 1432216), (17, 1263720), (20, 1074162), (24, 895135), (30, 716108), (34, 631860), (40, 537081), (51, 421240), (60, 358054), (68, 315930), (85, 252744), (102, 210620), (120, 179027), (136, 157965), (170, 126372), (204, 105310), (255, 84248), (340, 63186), (408, 52655), (510, 42124), (680, 31593), (1020, 21062), (2040, 10531)]