21041298

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 47637720

約数和(自身を除く): 26596422

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 173, 174, 233, 261, 346, 466, 519, 522, 699, 1038, 1398, 1557, 2097, 3114, 4194, 5017, 6757, 10034, 13514, 15051, 20271, 30102, 40309, 40542, 45153, 60813, 80618, 90306, 120927, 121626, 241854, 362781, 725562, 1168961, 2337922, 3506883, 7013766, 10520649, 21041298]

約数ペア:

[(1, 21041298), (2, 10520649), (3, 7013766), (6, 3506883), (9, 2337922), (18, 1168961), (29, 725562), (58, 362781), (87, 241854), (173, 121626), (174, 120927), (233, 90306), (261, 80618), (346, 60813), (466, 45153), (519, 40542), (522, 40309), (699, 30102), (1038, 20271), (1398, 15051), (1557, 13514), (2097, 10034), (3114, 6757), (4194, 5017)]