21856590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34693}}^1$

素因数の和:34713

約数の個数: 48

約数和(自身を含む): 64947168

約数和(自身を除く): 43090578

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34693, 69386, 104079, 173465, 208158, 242851, 312237, 346930, 485702, 520395, 624474, 728553, 1040790, 1214255, 1457106, 1561185, 2185659, 2428510, 3122370, 3642765, 4371318, 7285530, 10928295, 21856590]

約数ペア:

[(1, 21856590), (2, 10928295), (3, 7285530), (5, 4371318), (6, 3642765), (7, 3122370), (9, 2428510), (10, 2185659), (14, 1561185), (15, 1457106), (18, 1214255), (21, 1040790), (30, 728553), (35, 624474), (42, 520395), (45, 485702), (63, 346930), (70, 312237), (90, 242851), (105, 208158), (126, 173465), (210, 104079), (315, 69386), (630, 34693)]