21874874

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 18754726

約数列:

[1, 2, 7, 14, 29, 43, 49, 58, 86, 98, 179, 203, 301, 358, 406, 602, 1247, 1253, 1421, 2107, 2494, 2506, 2842, 4214, 5191, 7697, 8729, 8771, 10382, 15394, 17458, 17542, 36337, 53879, 61103, 72674, 107758, 122206, 223213, 254359, 377153, 446426, 508718, 754306, 1562491, 3124982, 10937437, 21874874]

約数ペア:

[(1, 21874874), (2, 10937437), (7, 3124982), (14, 1562491), (29, 754306), (43, 508718), (49, 446426), (58, 377153), (86, 254359), (98, 223213), (179, 122206), (203, 107758), (301, 72674), (358, 61103), (406, 53879), (602, 36337), (1247, 17542), (1253, 17458), (1421, 15394), (2107, 10382), (2494, 8771), (2506, 8729), (2842, 7697), (4214, 5191)]