21934250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 46938528

約数和(自身を除く): 25004278

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 397, 425, 442, 650, 794, 850, 1105, 1625, 1985, 2125, 2210, 3250, 3970, 4250, 5161, 5525, 6749, 9925, 10322, 11050, 13498, 19850, 25805, 27625, 33745, 49625, 51610, 55250, 67490, 87737, 99250, 129025, 168725, 175474, 258050, 337450, 438685, 645125, 843625, 877370, 1290250, 1687250, 2193425, 4386850, 10967125, 21934250]

約数ペア:

[(1, 21934250), (2, 10967125), (5, 4386850), (10, 2193425), (13, 1687250), (17, 1290250), (25, 877370), (26, 843625), (34, 645125), (50, 438685), (65, 337450), (85, 258050), (125, 175474), (130, 168725), (170, 129025), (221, 99250), (250, 87737), (325, 67490), (397, 55250), (425, 51610), (442, 49625), (650, 33745), (794, 27625), (850, 25805), (1105, 19850), (1625, 13498), (1985, 11050), (2125, 10322), (2210, 9925), (3250, 6749), (3970, 5525), (4250, 5161)]