21902026075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{972343}}^1$

素因数の和:972423

約数の個数: 24

約数和(自身を含む): 29298669408

約数和(自身を除く): 7396643333

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 901, 1325, 4505, 22525, 972343, 4861715, 16529831, 24308575, 51534179, 82649155, 257670895, 413245775, 876081043, 1288354475, 4380405215, 21902026075]

約数ペア:

[(1, 21902026075), (5, 4380405215), (17, 1288354475), (25, 876081043), (53, 413245775), (85, 257670895), (265, 82649155), (425, 51534179), (901, 24308575), (1325, 16529831), (4505, 4861715), (22525, 972343)]