21548460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4327}}^1$

素因数の和:4422

約数の個数: 48

約数和(自身を含む): 61076736

約数和(自身を除く): 39528276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4327, 4980, 8654, 12981, 17308, 21635, 25962, 43270, 51924, 64905, 86540, 129810, 259620, 359141, 718282, 1077423, 1436564, 1795705, 2154846, 3591410, 4309692, 5387115, 7182820, 10774230, 21548460]

約数ペア:

[(1, 21548460), (2, 10774230), (3, 7182820), (4, 5387115), (5, 4309692), (6, 3591410), (10, 2154846), (12, 1795705), (15, 1436564), (20, 1077423), (30, 718282), (60, 359141), (83, 259620), (166, 129810), (249, 86540), (332, 64905), (415, 51924), (498, 43270), (830, 25962), (996, 21635), (1245, 17308), (1660, 12981), (2490, 8654), (4327, 4980)]