21293808

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 57258240

約数和(自身を除く): 35964432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 73, 103, 118, 146, 177, 206, 219, 236, 292, 309, 354, 412, 438, 472, 584, 618, 708, 824, 876, 944, 1168, 1236, 1416, 1648, 1752, 2472, 2832, 3504, 4307, 4944, 6077, 7519, 8614, 12154, 12921, 15038, 17228, 18231, 22557, 24308, 25842, 30076, 34456, 36462, 45114, 48616, 51684, 60152, 68912, 72924, 90228, 97232, 103368, 120304, 145848, 180456, 206736, 291696, 360912, 443621, 887242, 1330863, 1774484, 2661726, 3548968, 5323452, 7097936, 10646904, 21293808]

約数ペア:

[(1, 21293808), (2, 10646904), (3, 7097936), (4, 5323452), (6, 3548968), (8, 2661726), (12, 1774484), (16, 1330863), (24, 887242), (48, 443621), (59, 360912), (73, 291696), (103, 206736), (118, 180456), (146, 145848), (177, 120304), (206, 103368), (219, 97232), (236, 90228), (292, 72924), (309, 68912), (354, 60152), (412, 51684), (438, 48616), (472, 45114), (584, 36462), (618, 34456), (708, 30076), (824, 25842), (876, 24308), (944, 22557), (1168, 18231), (1236, 17228), (1416, 15038), (1648, 12921), (1752, 12154), (2472, 8614), (2832, 7519), (3504, 6077), (4307, 4944)]