21339080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4483}}^1$

素因数の和:4518

約数の個数: 64

約数和(自身を含む): 58112640

約数和(自身を除く): 36773560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4483, 4760, 8966, 17932, 22415, 31381, 35864, 44830, 62762, 76211, 89660, 125524, 152422, 156905, 179320, 251048, 304844, 313810, 381055, 533477, 609688, 627620, 762110, 1066954, 1255240, 1524220, 2133908, 2667385, 3048440, 4267816, 5334770, 10669540, 21339080]

約数ペア:

[(1, 21339080), (2, 10669540), (4, 5334770), (5, 4267816), (7, 3048440), (8, 2667385), (10, 2133908), (14, 1524220), (17, 1255240), (20, 1066954), (28, 762110), (34, 627620), (35, 609688), (40, 533477), (56, 381055), (68, 313810), (70, 304844), (85, 251048), (119, 179320), (136, 156905), (140, 152422), (170, 125524), (238, 89660), (280, 76211), (340, 62762), (476, 44830), (595, 35864), (680, 31381), (952, 22415), (1190, 17932), (2380, 8966), (4483, 4760)]