21499274784

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{75227}}^1$

素因数の和:75482

約数の個数: 96

約数和(自身を含む): 61043008320

約数和(自身を除く): 39543733536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 229, 312, 416, 458, 624, 687, 916, 1248, 1374, 1832, 2748, 2977, 3664, 5496, 5954, 7328, 8931, 10992, 11908, 17862, 21984, 23816, 35724, 47632, 71448, 75227, 95264, 142896, 150454, 225681, 285792, 300908, 451362, 601816, 902724, 977951, 1203632, 1805448, 1955902, 2407264, 2933853, 3610896, 3911804, 5867706, 7221792, 7823608, 11735412, 15647216, 17226983, 23470824, 31294432, 34453966, 46941648, 51680949, 68907932, 93883296, 103361898, 137815864, 206723796, 223950779, 275631728, 413447592, 447901558, 551263456, 671852337, 826895184, 895803116, 1343704674, 1653790368, 1791606232, 2687409348, 3583212464, 5374818696, 7166424928, 10749637392, 21499274784]

約数ペア:

[(1, 21499274784), (2, 10749637392), (3, 7166424928), (4, 5374818696), (6, 3583212464), (8, 2687409348), (12, 1791606232), (13, 1653790368), (16, 1343704674), (24, 895803116), (26, 826895184), (32, 671852337), (39, 551263456), (48, 447901558), (52, 413447592), (78, 275631728), (96, 223950779), (104, 206723796), (156, 137815864), (208, 103361898), (229, 93883296), (312, 68907932), (416, 51680949), (458, 46941648), (624, 34453966), (687, 31294432), (916, 23470824), (1248, 17226983), (1374, 15647216), (1832, 11735412), (2748, 7823608), (2977, 7221792), (3664, 5867706), (5496, 3911804), (5954, 3610896), (7328, 2933853), (8931, 2407264), (10992, 1955902), (11908, 1805448), (17862, 1203632), (21984, 977951), (23816, 902724), (35724, 601816), (47632, 451362), (71448, 300908), (75227, 285792), (95264, 225681), (142896, 150454)]