21362285

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 11732371

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 223, 245, 391, 595, 805, 833, 1115, 1127, 1561, 1955, 2737, 3791, 4165, 5129, 5635, 7805, 10927, 13685, 18955, 19159, 25645, 26537, 35903, 54635, 87193, 95795, 132685, 179515, 185759, 251321, 435965, 610351, 928795, 1256605, 3051755, 4272457, 21362285]

約数ペア:

[(1, 21362285), (5, 4272457), (7, 3051755), (17, 1256605), (23, 928795), (35, 610351), (49, 435965), (85, 251321), (115, 185759), (119, 179515), (161, 132685), (223, 95795), (245, 87193), (391, 54635), (595, 35903), (805, 26537), (833, 25645), (1115, 19159), (1127, 18955), (1561, 13685), (1955, 10927), (2737, 7805), (3791, 5635), (4165, 5129)]