21225510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 35913690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 619, 635, 762, 1143, 1238, 1270, 1857, 1905, 2286, 3095, 3429, 3714, 3810, 5571, 5715, 6190, 6858, 9285, 11142, 11430, 16713, 17145, 18570, 27855, 33426, 34290, 55710, 78613, 83565, 157226, 167130, 235839, 393065, 471678, 707517, 786130, 1179195, 1415034, 2122551, 2358390, 3537585, 4245102, 7075170, 10612755, 21225510]

約数ペア:

[(1, 21225510), (2, 10612755), (3, 7075170), (5, 4245102), (6, 3537585), (9, 2358390), (10, 2122551), (15, 1415034), (18, 1179195), (27, 786130), (30, 707517), (45, 471678), (54, 393065), (90, 235839), (127, 167130), (135, 157226), (254, 83565), (270, 78613), (381, 55710), (619, 34290), (635, 33426), (762, 27855), (1143, 18570), (1238, 17145), (1270, 16713), (1857, 11430), (1905, 11142), (2286, 9285), (3095, 6858), (3429, 6190), (3714, 5715), (3810, 5571)]