21790950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2741}}^1$

素因数の和:2809

約数の個数: 48

約数和(自身を含む): 55081296

約数和(自身を除く): 33290346

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2650, 2741, 3975, 5482, 7950, 8223, 13705, 16446, 27410, 41115, 68525, 82230, 137050, 145273, 205575, 290546, 411150, 435819, 726365, 871638, 1452730, 2179095, 3631825, 4358190, 7263650, 10895475, 21790950]

約数ペア:

[(1, 21790950), (2, 10895475), (3, 7263650), (5, 4358190), (6, 3631825), (10, 2179095), (15, 1452730), (25, 871638), (30, 726365), (50, 435819), (53, 411150), (75, 290546), (106, 205575), (150, 145273), (159, 137050), (265, 82230), (318, 68525), (530, 41115), (795, 27410), (1325, 16446), (1590, 13705), (2650, 8223), (2741, 7950), (3975, 5482)]