21470512

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3617}}^1$

素因数の和:3685

約数の個数: 40

約数和(自身を含む): 48452256

約数和(自身を除く): 26981744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3617, 5936, 7234, 14468, 25319, 28936, 50638, 57872, 101276, 191701, 202552, 383402, 405104, 766804, 1341907, 1533608, 2683814, 3067216, 5367628, 10735256, 21470512]

約数ペア:

[(1, 21470512), (2, 10735256), (4, 5367628), (7, 3067216), (8, 2683814), (14, 1533608), (16, 1341907), (28, 766804), (53, 405104), (56, 383402), (106, 202552), (112, 191701), (212, 101276), (371, 57872), (424, 50638), (742, 28936), (848, 25319), (1484, 14468), (2968, 7234), (3617, 5936)]