21333650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 44622144

約数和(自身を除く): 23288494

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1427, 1495, 2854, 2990, 7135, 7475, 14270, 14950, 18551, 32821, 35675, 37102, 65642, 71350, 92755, 164105, 185510, 328210, 426673, 463775, 820525, 853346, 927550, 1641050, 2133365, 4266730, 10666825, 21333650]

約数ペア:

[(1, 21333650), (2, 10666825), (5, 4266730), (10, 2133365), (13, 1641050), (23, 927550), (25, 853346), (26, 820525), (46, 463775), (50, 426673), (65, 328210), (115, 185510), (130, 164105), (230, 92755), (299, 71350), (325, 65642), (575, 37102), (598, 35675), (650, 32821), (1150, 18551), (1427, 14950), (1495, 14270), (2854, 7475), (2990, 7135)]