21311198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 14016802

約数列:

[1, 2, 19, 31, 38, 62, 79, 158, 229, 458, 589, 1178, 1501, 2449, 3002, 4351, 4898, 7099, 8702, 14198, 18091, 36182, 46531, 93062, 134881, 269762, 343729, 560821, 687458, 1121642, 10655599, 21311198]

約数ペア:

[(1, 21311198), (2, 10655599), (19, 1121642), (31, 687458), (38, 560821), (62, 343729), (79, 269762), (158, 134881), (229, 93062), (458, 46531), (589, 36182), (1178, 18091), (1501, 14198), (2449, 8702), (3002, 7099), (4351, 4898)]