21620376

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6389}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 59810400

約数和(自身を除く): 38190024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6389, 12778, 19167, 25556, 38334, 51112, 57501, 76668, 115002, 153336, 230004, 300283, 460008, 600566, 900849, 1201132, 1801698, 2402264, 2702547, 3603396, 5405094, 7206792, 10810188, 21620376]

約数ペア:

[(1, 21620376), (2, 10810188), (3, 7206792), (4, 5405094), (6, 3603396), (8, 2702547), (9, 2402264), (12, 1801698), (18, 1201132), (24, 900849), (36, 600566), (47, 460008), (72, 300283), (94, 230004), (141, 153336), (188, 115002), (282, 76668), (376, 57501), (423, 51112), (564, 38334), (846, 25556), (1128, 19167), (1692, 12778), (3384, 6389)]