21914415

素因数分解:

$3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17253585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 271, 599, 813, 1355, 1797, 2439, 2995, 4065, 5391, 7317, 8985, 12195, 16173, 26955, 36585, 80865, 162329, 486987, 811645, 1460961, 2434935, 4382883, 7304805, 21914415]

約数ペア:

[(1, 21914415), (3, 7304805), (5, 4382883), (9, 2434935), (15, 1460961), (27, 811645), (45, 486987), (135, 162329), (271, 80865), (599, 36585), (813, 26955), (1355, 16173), (1797, 12195), (2439, 8985), (2995, 7317), (4065, 5391)]