21945690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18757}}^1$

素因数の和:18783

約数の個数: 48

約数和(自身を含む): 61451208

約数和(自身を除く): 39505518

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18757, 37514, 56271, 93785, 112542, 168813, 187570, 243841, 281355, 337626, 487682, 562710, 731523, 844065, 1219205, 1463046, 1688130, 2194569, 2438410, 3657615, 4389138, 7315230, 10972845, 21945690]

約数ペア:

[(1, 21945690), (2, 10972845), (3, 7315230), (5, 4389138), (6, 3657615), (9, 2438410), (10, 2194569), (13, 1688130), (15, 1463046), (18, 1219205), (26, 844065), (30, 731523), (39, 562710), (45, 487682), (65, 337626), (78, 281355), (90, 243841), (117, 187570), (130, 168813), (195, 112542), (234, 93785), (390, 56271), (585, 37514), (1170, 18757)]