21223825

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5273}}^1$

素因数の和:5313

約数の個数: 24

約数和(自身を含む): 31390848

約数和(自身を除く): 10167023

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5273, 26365, 36911, 121279, 131825, 184555, 606395, 848953, 922775, 3031975, 4244765, 21223825]

約数ペア:

[(1, 21223825), (5, 4244765), (7, 3031975), (23, 922775), (25, 848953), (35, 606395), (115, 184555), (161, 131825), (175, 121279), (575, 36911), (805, 26365), (4025, 5273)]