21421167285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{5653}}^1$

素因数の和:6058

約数の個数: 64

約数和(自身を含む): 39601520640

約数和(自身を除く): 18180353355

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 239, 453, 717, 755, 1057, 1195, 1673, 2265, 3171, 3585, 5019, 5285, 5653, 8365, 15855, 16959, 25095, 28265, 36089, 39571, 84795, 108267, 118713, 180445, 197855, 252623, 541335, 593565, 757869, 853603, 1263115, 1351067, 2560809, 3789345, 4053201, 4268015, 5975221, 6755335, 9457469, 12804045, 17925663, 20266005, 28372407, 29876105, 47287345, 89628315, 141862035, 204011117, 612033351, 1020055585, 1428077819, 3060166755, 4284233457, 7140389095, 21421167285]

約数ペア:

[(1, 21421167285), (3, 7140389095), (5, 4284233457), (7, 3060166755), (15, 1428077819), (21, 1020055585), (35, 612033351), (105, 204011117), (151, 141862035), (239, 89628315), (453, 47287345), (717, 29876105), (755, 28372407), (1057, 20266005), (1195, 17925663), (1673, 12804045), (2265, 9457469), (3171, 6755335), (3585, 5975221), (5019, 4268015), (5285, 4053201), (5653, 3789345), (8365, 2560809), (15855, 1351067), (16959, 1263115), (25095, 853603), (28265, 757869), (36089, 593565), (39571, 541335), (84795, 252623), (108267, 197855), (118713, 180445)]