21561168

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{26423}}^1$

素因数の和:26451

約数の個数: 40

約数和(自身を含む): 58978368

約数和(自身を除く): 37417200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 26423, 52846, 79269, 105692, 158538, 211384, 317076, 422768, 449191, 634152, 898382, 1268304, 1347573, 1796764, 2695146, 3593528, 5390292, 7187056, 10780584, 21561168]

約数ペア:

[(1, 21561168), (2, 10780584), (3, 7187056), (4, 5390292), (6, 3593528), (8, 2695146), (12, 1796764), (16, 1347573), (17, 1268304), (24, 898382), (34, 634152), (48, 449191), (51, 422768), (68, 317076), (102, 211384), (136, 158538), (204, 105692), (272, 79269), (408, 52846), (816, 26423)]