21667030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 29550890

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 1481, 2090, 2926, 2962, 7315, 7405, 10367, 14630, 14810, 16291, 20734, 28139, 32582, 51835, 56278, 81455, 103670, 114037, 140695, 162910, 196973, 228074, 281390, 309529, 393946, 570185, 619058, 984865, 1140370, 1547645, 1969730, 2166703, 3095290, 4333406, 10833515, 21667030]

約数ペア:

[(1, 21667030), (2, 10833515), (5, 4333406), (7, 3095290), (10, 2166703), (11, 1969730), (14, 1547645), (19, 1140370), (22, 984865), (35, 619058), (38, 570185), (55, 393946), (70, 309529), (77, 281390), (95, 228074), (110, 196973), (133, 162910), (154, 140695), (190, 114037), (209, 103670), (266, 81455), (385, 56278), (418, 51835), (665, 32582), (770, 28139), (1045, 20734), (1330, 16291), (1463, 14810), (1481, 14630), (2090, 10367), (2926, 7405), (2962, 7315)]