21252718520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2100071}}^1$

素因数の和:2100116

約数の個数: 64

約数和(自身を含む): 54433866240

約数和(自身を除く): 33181147720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 2100071, 4200142, 8400284, 10500355, 16800568, 21000710, 23100781, 42001420, 46201562, 48301633, 84002840, 92403124, 96603266, 115503905, 184806248, 193206532, 231007810, 241508165, 386413064, 462015620, 483016330, 531317963, 924031240, 966032660, 1062635926, 1932065320, 2125271852, 2656589815, 4250543704, 5313179630, 10626359260, 21252718520]

約数ペア:

[(1, 21252718520), (2, 10626359260), (4, 5313179630), (5, 4250543704), (8, 2656589815), (10, 2125271852), (11, 1932065320), (20, 1062635926), (22, 966032660), (23, 924031240), (40, 531317963), (44, 483016330), (46, 462015620), (55, 386413064), (88, 241508165), (92, 231007810), (110, 193206532), (115, 184806248), (184, 115503905), (220, 96603266), (230, 92403124), (253, 84002840), (440, 48301633), (460, 46201562), (506, 42001420), (920, 23100781), (1012, 21000710), (1265, 16800568), (2024, 10500355), (2530, 8400284), (5060, 4200142), (10120, 2100071)]