21896788

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 19874732

約数列:

[1, 2, 4, 31, 41, 59, 62, 73, 82, 118, 124, 146, 164, 236, 292, 1271, 1829, 2263, 2419, 2542, 2993, 3658, 4307, 4526, 4838, 5084, 5986, 7316, 8614, 9052, 9676, 11972, 17228, 74989, 92783, 133517, 149978, 176587, 185566, 267034, 299956, 353174, 371132, 534068, 706348, 5474197, 10948394, 21896788]

約数ペア:

[(1, 21896788), (2, 10948394), (4, 5474197), (31, 706348), (41, 534068), (59, 371132), (62, 353174), (73, 299956), (82, 267034), (118, 185566), (124, 176587), (146, 149978), (164, 133517), (236, 92783), (292, 74989), (1271, 17228), (1829, 11972), (2263, 9676), (2419, 9052), (2542, 8614), (2993, 7316), (3658, 5986), (4307, 5084), (4526, 4838)]