21507420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32587}}^1$

素因数の和:32610

約数の個数: 48

約数和(自身を含む): 65697408

約数和(自身を除く): 44189988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32587, 65174, 97761, 130348, 162935, 195522, 325870, 358457, 391044, 488805, 651740, 716914, 977610, 1075371, 1433828, 1792285, 1955220, 2150742, 3584570, 4301484, 5376855, 7169140, 10753710, 21507420]

約数ペア:

[(1, 21507420), (2, 10753710), (3, 7169140), (4, 5376855), (5, 4301484), (6, 3584570), (10, 2150742), (11, 1955220), (12, 1792285), (15, 1433828), (20, 1075371), (22, 977610), (30, 716914), (33, 651740), (44, 488805), (55, 391044), (60, 358457), (66, 325870), (110, 195522), (132, 162935), (165, 130348), (220, 97761), (330, 65174), (660, 32587)]