21668556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19843}}^1$

素因数の和:19870

約数の個数: 48

約数和(自身を含む): 62230784

約数和(自身を除く): 40562228

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19843, 39686, 59529, 79372, 119058, 138901, 238116, 257959, 277802, 416703, 515918, 555604, 773877, 833406, 1031836, 1547754, 1666812, 1805713, 3095508, 3611426, 5417139, 7222852, 10834278, 21668556]

約数ペア:

[(1, 21668556), (2, 10834278), (3, 7222852), (4, 5417139), (6, 3611426), (7, 3095508), (12, 1805713), (13, 1666812), (14, 1547754), (21, 1031836), (26, 833406), (28, 773877), (39, 555604), (42, 515918), (52, 416703), (78, 277802), (84, 257959), (91, 238116), (156, 138901), (182, 119058), (273, 79372), (364, 59529), (546, 39686), (1092, 19843)]