21658161415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 31396875264

約数和(自身を除く): 9738713849

約数列:

[1, 5, 11, 17, 47, 53, 55, 85, 187, 235, 265, 289, 517, 547, 583, 799, 901, 935, 1445, 2491, 2585, 2735, 2915, 3179, 3995, 4505, 6017, 8789, 9299, 9911, 12455, 13583, 15317, 15895, 25709, 27401, 28991, 30085, 42347, 43945, 46495, 49555, 67915, 76585, 102289, 128545, 137005, 144955, 149413, 158083, 168487, 211735, 282799, 318901, 437053, 465817, 492847, 511445, 719899, 747065, 790415, 842435, 1362577, 1413995, 1594505, 1738913, 2185265, 2329085, 2464235, 3599495, 4807583, 5421317, 6812885, 7429901, 7918889, 8378399, 8694565, 14988347, 23163809, 24037915, 27106585, 37149505, 39594445, 41891995, 74941735, 81728911, 92162389, 115819045, 254801899, 393784753, 408644555, 460811945, 1274009495, 1968923765, 4331632283, 21658161415]

約数ペア:

[(1, 21658161415), (5, 4331632283), (11, 1968923765), (17, 1274009495), (47, 460811945), (53, 408644555), (55, 393784753), (85, 254801899), (187, 115819045), (235, 92162389), (265, 81728911), (289, 74941735), (517, 41891995), (547, 39594445), (583, 37149505), (799, 27106585), (901, 24037915), (935, 23163809), (1445, 14988347), (2491, 8694565), (2585, 8378399), (2735, 7918889), (2915, 7429901), (3179, 6812885), (3995, 5421317), (4505, 4807583), (6017, 3599495), (8789, 2464235), (9299, 2329085), (9911, 2185265), (12455, 1738913), (13583, 1594505), (15317, 1413995), (15895, 1362577), (25709, 842435), (27401, 790415), (28991, 747065), (30085, 719899), (42347, 511445), (43945, 492847), (46495, 465817), (49555, 437053), (67915, 318901), (76585, 282799), (102289, 211735), (128545, 168487), (137005, 158083), (144955, 149413)]