21137964

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 29858772

約数列:

[1, 2, 3, 4, 6, 12, 61, 67, 122, 134, 183, 201, 244, 268, 366, 402, 431, 732, 804, 862, 1293, 1724, 2586, 4087, 5172, 8174, 12261, 16348, 24522, 26291, 28877, 49044, 52582, 57754, 78873, 86631, 105164, 115508, 157746, 173262, 315492, 346524, 1761497, 3522994, 5284491, 7045988, 10568982, 21137964]

約数ペア:

[(1, 21137964), (2, 10568982), (3, 7045988), (4, 5284491), (6, 3522994), (12, 1761497), (61, 346524), (67, 315492), (122, 173262), (134, 157746), (183, 115508), (201, 105164), (244, 86631), (268, 78873), (366, 57754), (402, 52582), (431, 49044), (732, 28877), (804, 26291), (862, 24522), (1293, 16348), (1724, 12261), (2586, 8174), (4087, 5172)]