21548040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2366

約数の個数: 64

約数和(自身を含む): 65491200

約数和(自身を除く): 43943160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2273, 2370, 3160, 4546, 4740, 6819, 9092, 9480, 11365, 13638, 18184, 22730, 27276, 34095, 45460, 54552, 68190, 90920, 136380, 179567, 272760, 359134, 538701, 718268, 897835, 1077402, 1436536, 1795670, 2154804, 2693505, 3591340, 4309608, 5387010, 7182680, 10774020, 21548040]

約数ペア:

[(1, 21548040), (2, 10774020), (3, 7182680), (4, 5387010), (5, 4309608), (6, 3591340), (8, 2693505), (10, 2154804), (12, 1795670), (15, 1436536), (20, 1077402), (24, 897835), (30, 718268), (40, 538701), (60, 359134), (79, 272760), (120, 179567), (158, 136380), (237, 90920), (316, 68190), (395, 54552), (474, 45460), (632, 34095), (790, 27276), (948, 22730), (1185, 18184), (1580, 13638), (1896, 11365), (2273, 9480), (2370, 9092), (3160, 6819), (4546, 4740)]