21510692

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 23849308

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 59, 116, 118, 203, 236, 406, 413, 449, 812, 826, 898, 1652, 1711, 1796, 3143, 3422, 6286, 6844, 11977, 12572, 13021, 23954, 26042, 26491, 47908, 52084, 52982, 91147, 105964, 182294, 185437, 364588, 370874, 741748, 768239, 1536478, 3072956, 5377673, 10755346, 21510692]

約数ペア:

[(1, 21510692), (2, 10755346), (4, 5377673), (7, 3072956), (14, 1536478), (28, 768239), (29, 741748), (58, 370874), (59, 364588), (116, 185437), (118, 182294), (203, 105964), (236, 91147), (406, 52982), (413, 52084), (449, 47908), (812, 26491), (826, 26042), (898, 23954), (1652, 13021), (1711, 12572), (1796, 11977), (3143, 6844), (3422, 6286)]