21468290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 41109120

約数和(自身を除く): 19640830

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1097, 1957, 2194, 3914, 5485, 9785, 10970, 19570, 20843, 41686, 104215, 112991, 208430, 225982, 564955, 1129910, 2146829, 4293658, 10734145, 21468290]

約数ペア:

[(1, 21468290), (2, 10734145), (5, 4293658), (10, 2146829), (19, 1129910), (38, 564955), (95, 225982), (103, 208430), (190, 112991), (206, 104215), (515, 41686), (1030, 20843), (1097, 19570), (1957, 10970), (2194, 9785), (3914, 5485)]