21027330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 57300480

約数和(自身を除く): 36273150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1657, 2115, 2538, 3314, 4230, 4971, 6345, 8285, 9942, 12690, 14913, 16570, 24855, 29826, 44739, 49710, 74565, 77879, 89478, 149130, 155758, 223695, 233637, 389395, 447390, 467274, 700911, 778790, 1168185, 1401822, 2102733, 2336370, 3504555, 4205466, 7009110, 10513665, 21027330]

約数ペア:

[(1, 21027330), (2, 10513665), (3, 7009110), (5, 4205466), (6, 3504555), (9, 2336370), (10, 2102733), (15, 1401822), (18, 1168185), (27, 778790), (30, 700911), (45, 467274), (47, 447390), (54, 389395), (90, 233637), (94, 223695), (135, 155758), (141, 149130), (235, 89478), (270, 77879), (282, 74565), (423, 49710), (470, 44739), (705, 29826), (846, 24855), (1269, 16570), (1410, 14913), (1657, 12690), (2115, 9942), (2538, 8285), (3314, 6345), (4230, 4971)]