21868330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 45536256

約数和(自身を除く): 23667926

約数列:

[1, 2, 5, 10, 11, 22, 31, 53, 55, 62, 106, 110, 121, 155, 242, 265, 310, 341, 530, 583, 605, 682, 1166, 1210, 1331, 1643, 1705, 2662, 2915, 3286, 3410, 3751, 5830, 6413, 6655, 7502, 8215, 12826, 13310, 16430, 18073, 18755, 32065, 36146, 37510, 41261, 64130, 70543, 82522, 90365, 141086, 180730, 198803, 206305, 352715, 397606, 412610, 705430, 994015, 1988030, 2186833, 4373666, 10934165, 21868330]

約数ペア:

[(1, 21868330), (2, 10934165), (5, 4373666), (10, 2186833), (11, 1988030), (22, 994015), (31, 705430), (53, 412610), (55, 397606), (62, 352715), (106, 206305), (110, 198803), (121, 180730), (155, 141086), (242, 90365), (265, 82522), (310, 70543), (341, 64130), (530, 41261), (583, 37510), (605, 36146), (682, 32065), (1166, 18755), (1210, 18073), (1331, 16430), (1643, 13310), (1705, 12826), (2662, 8215), (2915, 7502), (3286, 6655), (3410, 6413), (3751, 5830)]