21160260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10687}}^1$

素因数の和:10713

約数の個数: 72

約数和(自身を含む): 70027776

約数和(自身を除く): 48867516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10687, 21374, 32061, 42748, 53435, 64122, 96183, 106870, 117557, 128244, 160305, 192366, 213740, 235114, 320610, 352671, 384732, 470228, 480915, 587785, 641220, 705342, 961830, 1058013, 1175570, 1410684, 1763355, 1923660, 2116026, 2351140, 3526710, 4232052, 5290065, 7053420, 10580130, 21160260]

約数ペア:

[(1, 21160260), (2, 10580130), (3, 7053420), (4, 5290065), (5, 4232052), (6, 3526710), (9, 2351140), (10, 2116026), (11, 1923660), (12, 1763355), (15, 1410684), (18, 1175570), (20, 1058013), (22, 961830), (30, 705342), (33, 641220), (36, 587785), (44, 480915), (45, 470228), (55, 384732), (60, 352671), (66, 320610), (90, 235114), (99, 213740), (110, 192366), (132, 160305), (165, 128244), (180, 117557), (198, 106870), (220, 96183), (330, 64122), (396, 53435), (495, 42748), (660, 32061), (990, 21374), (1980, 10687)]