21941820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 47005380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 179, 180, 227, 270, 358, 454, 537, 540, 681, 716, 895, 908, 1074, 1135, 1362, 1611, 1790, 2043, 2148, 2270, 2685, 2724, 3222, 3405, 3580, 4086, 4540, 4833, 5370, 6129, 6444, 6810, 8055, 8172, 9666, 10215, 10740, 12258, 13620, 16110, 19332, 20430, 24165, 24516, 30645, 32220, 40633, 40860, 48330, 61290, 81266, 96660, 121899, 122580, 162532, 203165, 243798, 365697, 406330, 487596, 609495, 731394, 812660, 1097091, 1218990, 1462788, 1828485, 2194182, 2437980, 3656970, 4388364, 5485455, 7313940, 10970910, 21941820]

約数ペア:

[(1, 21941820), (2, 10970910), (3, 7313940), (4, 5485455), (5, 4388364), (6, 3656970), (9, 2437980), (10, 2194182), (12, 1828485), (15, 1462788), (18, 1218990), (20, 1097091), (27, 812660), (30, 731394), (36, 609495), (45, 487596), (54, 406330), (60, 365697), (90, 243798), (108, 203165), (135, 162532), (179, 122580), (180, 121899), (227, 96660), (270, 81266), (358, 61290), (454, 48330), (537, 40860), (540, 40633), (681, 32220), (716, 30645), (895, 24516), (908, 24165), (1074, 20430), (1135, 19332), (1362, 16110), (1611, 13620), (1790, 12258), (2043, 10740), (2148, 10215), (2270, 9666), (2685, 8172), (2724, 8055), (3222, 6810), (3405, 6444), (3580, 6129), (4086, 5370), (4540, 4833)]