21814736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 45145920

約数和(自身を除く): 23331184

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 983, 1168, 1387, 1966, 2774, 3932, 5548, 7864, 11096, 15728, 18677, 22192, 37354, 71759, 74708, 143518, 149416, 287036, 298832, 574072, 1148144, 1363421, 2726842, 5453684, 10907368, 21814736]

約数ペア:

[(1, 21814736), (2, 10907368), (4, 5453684), (8, 2726842), (16, 1363421), (19, 1148144), (38, 574072), (73, 298832), (76, 287036), (146, 149416), (152, 143518), (292, 74708), (304, 71759), (584, 37354), (983, 22192), (1168, 18677), (1387, 15728), (1966, 11096), (2774, 7864), (3932, 5548)]