21981414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 54706176

約数和(自身を除く): 32724762

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 317, 381, 546, 634, 762, 889, 951, 1651, 1778, 1902, 2219, 2667, 3302, 4121, 4438, 4953, 5334, 6657, 8242, 9906, 11557, 12363, 13314, 23114, 24726, 28847, 34671, 40259, 57694, 69342, 80518, 86541, 120777, 173082, 241554, 281813, 523367, 563626, 845439, 1046734, 1570101, 1690878, 3140202, 3663569, 7327138, 10990707, 21981414]

約数ペア:

[(1, 21981414), (2, 10990707), (3, 7327138), (6, 3663569), (7, 3140202), (13, 1690878), (14, 1570101), (21, 1046734), (26, 845439), (39, 563626), (42, 523367), (78, 281813), (91, 241554), (127, 173082), (182, 120777), (254, 86541), (273, 80518), (317, 69342), (381, 57694), (546, 40259), (634, 34671), (762, 28847), (889, 24726), (951, 23114), (1651, 13314), (1778, 12363), (1902, 11557), (2219, 9906), (2667, 8242), (3302, 6657), (4121, 5334), (4438, 4953)]