21183540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1677

約数の個数: 96

約数和(自身を含む): 70017024

約数和(自身を除く): 48833484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1627, 1860, 2170, 2604, 3254, 3255, 4340, 4881, 6508, 6510, 8135, 9762, 11389, 13020, 16270, 19524, 22778, 24405, 32540, 34167, 45556, 48810, 50437, 56945, 68334, 97620, 100874, 113890, 136668, 151311, 170835, 201748, 227780, 252185, 302622, 341670, 353059, 504370, 605244, 683340, 706118, 756555, 1008740, 1059177, 1412236, 1513110, 1765295, 2118354, 3026220, 3530590, 4236708, 5295885, 7061180, 10591770, 21183540]

約数ペア:

[(1, 21183540), (2, 10591770), (3, 7061180), (4, 5295885), (5, 4236708), (6, 3530590), (7, 3026220), (10, 2118354), (12, 1765295), (14, 1513110), (15, 1412236), (20, 1059177), (21, 1008740), (28, 756555), (30, 706118), (31, 683340), (35, 605244), (42, 504370), (60, 353059), (62, 341670), (70, 302622), (84, 252185), (93, 227780), (105, 201748), (124, 170835), (140, 151311), (155, 136668), (186, 113890), (210, 100874), (217, 97620), (310, 68334), (372, 56945), (420, 50437), (434, 48810), (465, 45556), (620, 34167), (651, 32540), (868, 24405), (930, 22778), (1085, 19524), (1302, 16270), (1627, 13020), (1860, 11389), (2170, 9762), (2604, 8135), (3254, 6510), (3255, 6508), (4340, 4881)]