21398130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18315

約数の個数: 48

約数和(自身を含む): 59918040

約数和(自身を除く): 38519910

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, 18289, 36578, 54867, 91445, 109734, 164601, 182890, 237757, 274335, 329202, 475514, 548670, 713271, 823005, 1188785, 1426542, 1646010, 2139813, 2377570, 3566355, 4279626, 7132710, 10699065, 21398130]

約数ペア:

[(1, 21398130), (2, 10699065), (3, 7132710), (5, 4279626), (6, 3566355), (9, 2377570), (10, 2139813), (13, 1646010), (15, 1426542), (18, 1188785), (26, 823005), (30, 713271), (39, 548670), (45, 475514), (65, 329202), (78, 274335), (90, 237757), (117, 182890), (130, 164601), (195, 109734), (234, 91445), (390, 54867), (585, 36578), (1170, 18289)]