21242832

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 60204480

約数和(自身を除く): 38961648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 59, 78, 104, 118, 156, 177, 208, 236, 312, 354, 472, 577, 624, 708, 767, 944, 1154, 1416, 1534, 1731, 2301, 2308, 2832, 3068, 3462, 4602, 4616, 6136, 6924, 7501, 9204, 9232, 12272, 13848, 15002, 18408, 22503, 27696, 30004, 34043, 36816, 45006, 60008, 68086, 90012, 102129, 120016, 136172, 180024, 204258, 272344, 360048, 408516, 442559, 544688, 817032, 885118, 1327677, 1634064, 1770236, 2655354, 3540472, 5310708, 7080944, 10621416, 21242832]

約数ペア:

[(1, 21242832), (2, 10621416), (3, 7080944), (4, 5310708), (6, 3540472), (8, 2655354), (12, 1770236), (13, 1634064), (16, 1327677), (24, 885118), (26, 817032), (39, 544688), (48, 442559), (52, 408516), (59, 360048), (78, 272344), (104, 204258), (118, 180024), (156, 136172), (177, 120016), (208, 102129), (236, 90012), (312, 68086), (354, 60008), (472, 45006), (577, 36816), (624, 34043), (708, 30004), (767, 27696), (944, 22503), (1154, 18408), (1416, 15002), (1534, 13848), (1731, 12272), (2301, 9232), (2308, 9204), (2832, 7501), (3068, 6924), (3462, 6136), (4602, 4616)]