21657132

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1061}}^1$

素因数の和:1090

約数の個数: 84

約数和(自身を含む): 65002896

約数和(自身を除く): 43345764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1061, 1134, 1458, 1701, 2122, 2268, 2916, 3183, 3402, 4244, 5103, 6366, 6804, 7427, 9549, 10206, 12732, 14854, 19098, 20412, 22281, 28647, 29708, 38196, 44562, 57294, 66843, 85941, 89124, 114588, 133686, 171882, 200529, 257823, 267372, 343764, 401058, 515646, 601587, 773469, 802116, 1031292, 1203174, 1546938, 1804761, 2406348, 3093876, 3609522, 5414283, 7219044, 10828566, 21657132]

約数ペア:

[(1, 21657132), (2, 10828566), (3, 7219044), (4, 5414283), (6, 3609522), (7, 3093876), (9, 2406348), (12, 1804761), (14, 1546938), (18, 1203174), (21, 1031292), (27, 802116), (28, 773469), (36, 601587), (42, 515646), (54, 401058), (63, 343764), (81, 267372), (84, 257823), (108, 200529), (126, 171882), (162, 133686), (189, 114588), (243, 89124), (252, 85941), (324, 66843), (378, 57294), (486, 44562), (567, 38196), (729, 29708), (756, 28647), (972, 22281), (1061, 20412), (1134, 19098), (1458, 14854), (1701, 12732), (2122, 10206), (2268, 9549), (2916, 7427), (3183, 6804), (3402, 6366), (4244, 5103)]