21954828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 61415424

約数和(自身を除く): 39460596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 67, 83, 84, 94, 134, 141, 166, 188, 201, 249, 268, 282, 329, 332, 402, 469, 498, 564, 581, 658, 804, 938, 987, 996, 1162, 1316, 1407, 1743, 1876, 1974, 2324, 2814, 3149, 3486, 3901, 3948, 5561, 5628, 6298, 6972, 7802, 9447, 11122, 11703, 12596, 15604, 16683, 18894, 22043, 22244, 23406, 27307, 33366, 37788, 38927, 44086, 46812, 54614, 66129, 66732, 77854, 81921, 88172, 109228, 116781, 132258, 155708, 163842, 233562, 261367, 264516, 327684, 467124, 522734, 784101, 1045468, 1568202, 1829569, 3136404, 3659138, 5488707, 7318276, 10977414, 21954828]

約数ペア:

[(1, 21954828), (2, 10977414), (3, 7318276), (4, 5488707), (6, 3659138), (7, 3136404), (12, 1829569), (14, 1568202), (21, 1045468), (28, 784101), (42, 522734), (47, 467124), (67, 327684), (83, 264516), (84, 261367), (94, 233562), (134, 163842), (141, 155708), (166, 132258), (188, 116781), (201, 109228), (249, 88172), (268, 81921), (282, 77854), (329, 66732), (332, 66129), (402, 54614), (469, 46812), (498, 44086), (564, 38927), (581, 37788), (658, 33366), (804, 27307), (938, 23406), (987, 22244), (996, 22043), (1162, 18894), (1316, 16683), (1407, 15604), (1743, 12596), (1876, 11703), (1974, 11122), (2324, 9447), (2814, 7802), (3149, 6972), (3486, 6298), (3901, 5628), (3948, 5561)]