21753108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 60402888

約数和(自身を除く): 38649780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 877, 954, 1378, 1754, 1908, 2067, 2631, 2756, 3508, 4134, 5262, 6201, 7893, 8268, 10524, 11401, 12402, 15786, 22802, 24804, 31572, 34203, 45604, 46481, 68406, 92962, 102609, 136812, 139443, 185924, 205218, 278886, 410436, 418329, 557772, 604253, 836658, 1208506, 1673316, 1812759, 2417012, 3625518, 5438277, 7251036, 10876554, 21753108]

約数ペア:

[(1, 21753108), (2, 10876554), (3, 7251036), (4, 5438277), (6, 3625518), (9, 2417012), (12, 1812759), (13, 1673316), (18, 1208506), (26, 836658), (36, 604253), (39, 557772), (52, 418329), (53, 410436), (78, 278886), (106, 205218), (117, 185924), (156, 139443), (159, 136812), (212, 102609), (234, 92962), (318, 68406), (468, 46481), (477, 45604), (636, 34203), (689, 31572), (877, 24804), (954, 22802), (1378, 15786), (1754, 12402), (1908, 11401), (2067, 10524), (2631, 8268), (2756, 7893), (3508, 6201), (4134, 5262)]