16821406

素因数分解:

$2^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 40

約数和(自身を含む): 30654144

約数和(自身を除く): 13832738

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 113, 217, 226, 343, 434, 686, 791, 1519, 1582, 2401, 3038, 3503, 4802, 5537, 7006, 10633, 11074, 21266, 24521, 38759, 49042, 74431, 77518, 148862, 171647, 271313, 343294, 542626, 1201529, 2403058, 8410703, 16821406]

約数ペア:

[(1, 16821406), (2, 8410703), (7, 2403058), (14, 1201529), (31, 542626), (49, 343294), (62, 271313), (98, 171647), (113, 148862), (217, 77518), (226, 74431), (343, 49042), (434, 38759), (686, 24521), (791, 21266), (1519, 11074), (1582, 10633), (2401, 7006), (3038, 5537), (3503, 4802)]