21171264

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3557}}^1$

素因数の和:3603

約数の個数: 56

約数和(自身を含む): 57838848

約数和(自身を除く): 36667584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3557, 5952, 7114, 10671, 14228, 21342, 28456, 42684, 56912, 85368, 110267, 113824, 170736, 220534, 227648, 330801, 341472, 441068, 661602, 682944, 882136, 1323204, 1764272, 2646408, 3528544, 5292816, 7057088, 10585632, 21171264]

約数ペア:

[(1, 21171264), (2, 10585632), (3, 7057088), (4, 5292816), (6, 3528544), (8, 2646408), (12, 1764272), (16, 1323204), (24, 882136), (31, 682944), (32, 661602), (48, 441068), (62, 341472), (64, 330801), (93, 227648), (96, 220534), (124, 170736), (186, 113824), (192, 110267), (248, 85368), (372, 56912), (496, 42684), (744, 28456), (992, 21342), (1488, 14228), (1984, 10671), (2976, 7114), (3557, 5952)]