21490470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3271}}^1$

素因数の和:3357

約数の個数: 48

約数和(自身を含む): 56657952

約数和(自身を除く): 35167482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3271, 3285, 6542, 6570, 9813, 16355, 19626, 29439, 32710, 49065, 58878, 98130, 147195, 238783, 294390, 477566, 716349, 1193915, 1432698, 2149047, 2387830, 3581745, 4298094, 7163490, 10745235, 21490470]

約数ペア:

[(1, 21490470), (2, 10745235), (3, 7163490), (5, 4298094), (6, 3581745), (9, 2387830), (10, 2149047), (15, 1432698), (18, 1193915), (30, 716349), (45, 477566), (73, 294390), (90, 238783), (146, 147195), (219, 98130), (365, 58878), (438, 49065), (657, 32710), (730, 29439), (1095, 19626), (1314, 16355), (2190, 9813), (3271, 6570), (3285, 6542)]