21622436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 44235072

約数和(自身を除く): 22612636

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 137, 187, 211, 274, 374, 422, 548, 748, 844, 1507, 2321, 2329, 3014, 3587, 4642, 4658, 6028, 7174, 9284, 9316, 14348, 25619, 28907, 39457, 51238, 57814, 78914, 102476, 115628, 157828, 317977, 491419, 635954, 982838, 1271908, 1965676, 5405609, 10811218, 21622436]

約数ペア:

[(1, 21622436), (2, 10811218), (4, 5405609), (11, 1965676), (17, 1271908), (22, 982838), (34, 635954), (44, 491419), (68, 317977), (137, 157828), (187, 115628), (211, 102476), (274, 78914), (374, 57814), (422, 51238), (548, 39457), (748, 28907), (844, 25619), (1507, 14348), (2321, 9316), (2329, 9284), (3014, 7174), (3587, 6028), (4642, 4658)]