21966966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{557}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 54666144

約数和(自身を除く): 32699178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 313, 557, 626, 939, 1114, 1671, 1878, 2191, 2817, 3342, 3899, 4382, 5013, 5634, 6573, 7798, 10026, 11697, 13146, 19719, 23394, 35091, 39438, 70182, 174341, 348682, 523023, 1046046, 1220387, 1569069, 2440774, 3138138, 3661161, 7322322, 10983483, 21966966]

約数ペア:

[(1, 21966966), (2, 10983483), (3, 7322322), (6, 3661161), (7, 3138138), (9, 2440774), (14, 1569069), (18, 1220387), (21, 1046046), (42, 523023), (63, 348682), (126, 174341), (313, 70182), (557, 39438), (626, 35091), (939, 23394), (1114, 19719), (1671, 13146), (1878, 11697), (2191, 10026), (2817, 7798), (3342, 6573), (3899, 5634), (4382, 5013)]