21850345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{751}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 29941632

約数和(自身を除く): 8091287

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 751, 1265, 2645, 3755, 5819, 8261, 17273, 29095, 41305, 86365, 190003, 397279, 950015, 1986395, 4370069, 21850345]

約数ペア:

[(1, 21850345), (5, 4370069), (11, 1986395), (23, 950015), (55, 397279), (115, 190003), (253, 86365), (529, 41305), (751, 29095), (1265, 17273), (2645, 8261), (3755, 5819)]