21049002

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3911}}^1$

素因数の和:3955

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 30213846

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3911, 5382, 7822, 11733, 23466, 35199, 50843, 70398, 89953, 101686, 152529, 179906, 269859, 305058, 457587, 539718, 809577, 915174, 1169389, 1619154, 2338778, 3508167, 7016334, 10524501, 21049002]

約数ペア:

[(1, 21049002), (2, 10524501), (3, 7016334), (6, 3508167), (9, 2338778), (13, 1619154), (18, 1169389), (23, 915174), (26, 809577), (39, 539718), (46, 457587), (69, 305058), (78, 269859), (117, 179906), (138, 152529), (207, 101686), (234, 89953), (299, 70398), (414, 50843), (598, 35199), (897, 23466), (1794, 11733), (2691, 7822), (3911, 5382)]