21548930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7207}}^1$

素因数の和:7250

約数の個数: 32

約数和(自身を含む): 43593984

約数和(自身を除く): 22045054

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 7207, 14414, 36035, 72070, 93691, 165761, 187382, 331522, 468455, 828805, 936910, 1657610, 2154893, 4309786, 10774465, 21548930]

約数ペア:

[(1, 21548930), (2, 10774465), (5, 4309786), (10, 2154893), (13, 1657610), (23, 936910), (26, 828805), (46, 468455), (65, 331522), (115, 187382), (130, 165761), (230, 93691), (299, 72070), (598, 36035), (1495, 14414), (2990, 7207)]