21167994812

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1\times {\mathrm{541}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 37841416704

約数和(自身を除く): 16673421892

約数列:

[1, 2, 4, 71, 142, 284, 311, 443, 541, 622, 886, 1082, 1244, 1772, 2164, 22081, 31453, 38411, 44162, 62906, 76822, 88324, 125812, 137773, 153644, 168251, 239663, 275546, 336502, 479326, 551092, 673004, 958652, 9781883, 11945821, 17016073, 19563766, 23891642, 34032146, 39127532, 47783284, 68064292, 74535193, 149070386, 298140772, 5291998703, 10583997406, 21167994812]

約数ペア:

[(1, 21167994812), (2, 10583997406), (4, 5291998703), (71, 298140772), (142, 149070386), (284, 74535193), (311, 68064292), (443, 47783284), (541, 39127532), (622, 34032146), (886, 23891642), (1082, 19563766), (1244, 17016073), (1772, 11945821), (2164, 9781883), (22081, 958652), (31453, 673004), (38411, 551092), (44162, 479326), (62906, 336502), (76822, 275546), (88324, 239663), (125812, 168251), (137773, 153644)]