21918480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 68400384

約数和(自身を除く): 46481904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 337, 542, 674, 813, 1011, 1084, 1348, 1355, 1626, 1685, 2022, 2168, 2696, 2710, 3252, 3370, 4044, 4065, 4336, 5055, 5392, 5420, 6504, 6740, 8088, 8130, 10110, 10840, 13008, 13480, 16176, 16260, 20220, 21680, 26960, 32520, 40440, 65040, 80880, 91327, 182654, 273981, 365308, 456635, 547962, 730616, 913270, 1095924, 1369905, 1461232, 1826540, 2191848, 2739810, 3653080, 4383696, 5479620, 7306160, 10959240, 21918480]

約数ペア:

[(1, 21918480), (2, 10959240), (3, 7306160), (4, 5479620), (5, 4383696), (6, 3653080), (8, 2739810), (10, 2191848), (12, 1826540), (15, 1461232), (16, 1369905), (20, 1095924), (24, 913270), (30, 730616), (40, 547962), (48, 456635), (60, 365308), (80, 273981), (120, 182654), (240, 91327), (271, 80880), (337, 65040), (542, 40440), (674, 32520), (813, 26960), (1011, 21680), (1084, 20220), (1348, 16260), (1355, 16176), (1626, 13480), (1685, 13008), (2022, 10840), (2168, 10110), (2696, 8130), (2710, 8088), (3252, 6740), (3370, 6504), (4044, 5420), (4065, 5392), (4336, 5055)]