21000655190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1575443}}^1$

素因数の和:1575524

約数の個数: 32

約数和(自身を含む): 39928052736

約数和(自身を除く): 18927397546

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 1575443, 3150886, 7877215, 15754430, 48838733, 67744049, 97677466, 135488098, 244193665, 338720245, 488387330, 677440490, 2100065519, 4200131038, 10500327595, 21000655190]

約数ペア:

[(1, 21000655190), (2, 10500327595), (5, 4200131038), (10, 2100065519), (31, 677440490), (43, 488387330), (62, 338720245), (86, 244193665), (155, 135488098), (215, 97677466), (310, 67744049), (430, 48838733), (1333, 15754430), (2666, 7877215), (6665, 3150886), (13330, 1575443)]