21131370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18061}}^1$

素因数の和:18087

約数の個数: 48

約数和(自身を含む): 59171112

約数和(自身を除く): 38039742

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, 18061, 36122, 54183, 90305, 108366, 162549, 180610, 234793, 270915, 325098, 469586, 541830, 704379, 812745, 1173965, 1408758, 1625490, 2113137, 2347930, 3521895, 4226274, 7043790, 10565685, 21131370]

約数ペア:

[(1, 21131370), (2, 10565685), (3, 7043790), (5, 4226274), (6, 3521895), (9, 2347930), (10, 2113137), (13, 1625490), (15, 1408758), (18, 1173965), (26, 812745), (30, 704379), (39, 541830), (45, 469586), (65, 325098), (78, 270915), (90, 234793), (117, 180610), (130, 162549), (195, 108366), (234, 90305), (390, 54183), (585, 36122), (1170, 18061)]