21434224

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1133

約数の個数: 40

約数和(自身を含む): 47739008

約数和(自身を除く): 26304784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 907, 1477, 1688, 1814, 2954, 3376, 3628, 5908, 6349, 7256, 11816, 12698, 14512, 23632, 25396, 50792, 101584, 191377, 382754, 765508, 1339639, 1531016, 2679278, 3062032, 5358556, 10717112, 21434224]

約数ペア:

[(1, 21434224), (2, 10717112), (4, 5358556), (7, 3062032), (8, 2679278), (14, 1531016), (16, 1339639), (28, 765508), (56, 382754), (112, 191377), (211, 101584), (422, 50792), (844, 25396), (907, 23632), (1477, 14512), (1688, 12698), (1814, 11816), (2954, 7256), (3376, 6349), (3628, 5908)]