21984950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 22543450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 149, 227, 298, 325, 454, 650, 745, 1135, 1490, 1937, 2270, 2951, 3725, 3874, 5675, 5902, 7450, 9685, 11350, 14755, 19370, 29510, 33823, 48425, 67646, 73775, 96850, 147550, 169115, 338230, 439699, 845575, 879398, 1691150, 2198495, 4396990, 10992475, 21984950]

約数ペア:

[(1, 21984950), (2, 10992475), (5, 4396990), (10, 2198495), (13, 1691150), (25, 879398), (26, 845575), (50, 439699), (65, 338230), (130, 169115), (149, 147550), (227, 96850), (298, 73775), (325, 67646), (454, 48425), (650, 33823), (745, 29510), (1135, 19370), (1490, 14755), (1937, 11350), (2270, 9685), (2951, 7450), (3725, 5902), (3874, 5675)]