21061710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7549}}^1$

素因数の和:7593

約数の個数: 48

約数和(自身を含む): 56534400

約数和(自身を除く): 35472690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7549, 15098, 22647, 37745, 45294, 67941, 75490, 113235, 135882, 226470, 234019, 339705, 468038, 679410, 702057, 1170095, 1404114, 2106171, 2340190, 3510285, 4212342, 7020570, 10530855, 21061710]

約数ペア:

[(1, 21061710), (2, 10530855), (3, 7020570), (5, 4212342), (6, 3510285), (9, 2340190), (10, 2106171), (15, 1404114), (18, 1170095), (30, 702057), (31, 679410), (45, 468038), (62, 339705), (90, 234019), (93, 226470), (155, 135882), (186, 113235), (279, 75490), (310, 67941), (465, 45294), (558, 37745), (930, 22647), (1395, 15098), (2790, 7549)]