21925988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 47142144

約数和(自身を除く): 25216156

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 631, 1022, 1241, 1262, 2044, 2482, 2524, 4417, 4964, 8687, 8834, 10727, 17374, 17668, 21454, 34748, 42908, 46063, 75089, 92126, 150178, 184252, 300356, 322441, 644882, 783071, 1289764, 1566142, 3132284, 5481497, 10962994, 21925988]

約数ペア:

[(1, 21925988), (2, 10962994), (4, 5481497), (7, 3132284), (14, 1566142), (17, 1289764), (28, 783071), (34, 644882), (68, 322441), (73, 300356), (119, 184252), (146, 150178), (238, 92126), (292, 75089), (476, 46063), (511, 42908), (631, 34748), (1022, 21454), (1241, 17668), (1262, 17374), (2044, 10727), (2482, 8834), (2524, 8687), (4417, 4964)]