21879396

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1$

素因数の和:911

約数の個数: 120

約数和(自身を含む): 71391936

約数和(自身を除く): 49512540

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 252, 297, 308, 324, 378, 396, 462, 567, 594, 693, 756, 877, 891, 924, 1134, 1188, 1386, 1754, 1782, 2079, 2268, 2631, 2772, 3508, 3564, 4158, 5262, 6139, 6237, 7893, 8316, 9647, 10524, 12278, 12474, 15786, 18417, 19294, 23679, 24556, 24948, 28941, 31572, 36834, 38588, 47358, 55251, 57882, 67529, 71037, 73668, 86823, 94716, 110502, 115764, 135058, 142074, 165753, 173646, 202587, 221004, 260469, 270116, 284148, 331506, 347292, 405174, 497259, 520938, 607761, 663012, 781407, 810348, 994518, 1041876, 1215522, 1562814, 1823283, 1989036, 2431044, 3125628, 3646566, 5469849, 7293132, 10939698, 21879396]

約数ペア:

[(1, 21879396), (2, 10939698), (3, 7293132), (4, 5469849), (6, 3646566), (7, 3125628), (9, 2431044), (11, 1989036), (12, 1823283), (14, 1562814), (18, 1215522), (21, 1041876), (22, 994518), (27, 810348), (28, 781407), (33, 663012), (36, 607761), (42, 520938), (44, 497259), (54, 405174), (63, 347292), (66, 331506), (77, 284148), (81, 270116), (84, 260469), (99, 221004), (108, 202587), (126, 173646), (132, 165753), (154, 142074), (162, 135058), (189, 115764), (198, 110502), (231, 94716), (252, 86823), (297, 73668), (308, 71037), (324, 67529), (378, 57882), (396, 55251), (462, 47358), (567, 38588), (594, 36834), (693, 31572), (756, 28941), (877, 24948), (891, 24556), (924, 23679), (1134, 19294), (1188, 18417), (1386, 15786), (1754, 12474), (1782, 12278), (2079, 10524), (2268, 9647), (2631, 8316), (2772, 7893), (3508, 6237), (3564, 6139), (4158, 5262)]