21308364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7687}}^1$

素因数の和:7715

約数の個数: 72

約数和(自身を含む): 67162368

約数和(自身を除く): 45854004

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7687, 15374, 23061, 30748, 46122, 53809, 69183, 84557, 92244, 107618, 138366, 161427, 169114, 215236, 253671, 276732, 322854, 338228, 484281, 507342, 591899, 645708, 761013, 968562, 1014684, 1183798, 1522026, 1775697, 1937124, 2367596, 3044052, 3551394, 5327091, 7102788, 10654182, 21308364]

約数ペア:

[(1, 21308364), (2, 10654182), (3, 7102788), (4, 5327091), (6, 3551394), (7, 3044052), (9, 2367596), (11, 1937124), (12, 1775697), (14, 1522026), (18, 1183798), (21, 1014684), (22, 968562), (28, 761013), (33, 645708), (36, 591899), (42, 507342), (44, 484281), (63, 338228), (66, 322854), (77, 276732), (84, 253671), (99, 215236), (126, 169114), (132, 161427), (154, 138366), (198, 107618), (231, 92244), (252, 84557), (308, 69183), (396, 53809), (462, 46122), (693, 30748), (924, 23061), (1386, 15374), (2772, 7687)]