21377640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6143}}^1$

素因数の和:6186

約数の個数: 64

約数和(自身を含む): 66355200

約数和(自身を除く): 44977560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6143, 12286, 18429, 24572, 30715, 36858, 49144, 61430, 73716, 92145, 122860, 147432, 178147, 184290, 245720, 356294, 368580, 534441, 712588, 737160, 890735, 1068882, 1425176, 1781470, 2137764, 2672205, 3562940, 4275528, 5344410, 7125880, 10688820, 21377640]

約数ペア:

[(1, 21377640), (2, 10688820), (3, 7125880), (4, 5344410), (5, 4275528), (6, 3562940), (8, 2672205), (10, 2137764), (12, 1781470), (15, 1425176), (20, 1068882), (24, 890735), (29, 737160), (30, 712588), (40, 534441), (58, 368580), (60, 356294), (87, 245720), (116, 184290), (120, 178147), (145, 147432), (174, 122860), (232, 92145), (290, 73716), (348, 61430), (435, 49144), (580, 36858), (696, 30715), (870, 24572), (1160, 18429), (1740, 12286), (3480, 6143)]