21862708

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24102092

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 449, 518, 658, 898, 1036, 1316, 1739, 1796, 3143, 3478, 6286, 6956, 12173, 12572, 16613, 21103, 24346, 33226, 42206, 48692, 66452, 84412, 116291, 147721, 232582, 295442, 465164, 590884, 780811, 1561622, 3123244, 5465677, 10931354, 21862708]

約数ペア:

[(1, 21862708), (2, 10931354), (4, 5465677), (7, 3123244), (14, 1561622), (28, 780811), (37, 590884), (47, 465164), (74, 295442), (94, 232582), (148, 147721), (188, 116291), (259, 84412), (329, 66452), (449, 48692), (518, 42206), (658, 33226), (898, 24346), (1036, 21103), (1316, 16613), (1739, 12572), (1796, 12173), (3143, 6956), (3478, 6286)]