21694730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 41195520

約数和(自身を除く): 19500790

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1457, 1489, 2914, 2978, 7285, 7445, 14570, 14890, 46159, 69983, 92318, 139966, 230795, 349915, 461590, 699830, 2169473, 4338946, 10847365, 21694730]

約数ペア:

[(1, 21694730), (2, 10847365), (5, 4338946), (10, 2169473), (31, 699830), (47, 461590), (62, 349915), (94, 230795), (155, 139966), (235, 92318), (310, 69983), (470, 46159), (1457, 14890), (1489, 14570), (2914, 7445), (2978, 7285)]