21446750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6599}}^1$

素因数の和:6629

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21796450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6599, 13198, 32995, 65990, 85787, 164975, 171574, 329950, 428935, 824875, 857870, 1649750, 2144675, 4289350, 10723375, 21446750]

約数ペア:

[(1, 21446750), (2, 10723375), (5, 4289350), (10, 2144675), (13, 1649750), (25, 857870), (26, 824875), (50, 428935), (65, 329950), (125, 171574), (130, 164975), (250, 85787), (325, 65990), (650, 32995), (1625, 13198), (3250, 6599)]