21333858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1019

約数の個数: 64

約数和(自身を含む): 53851392

約数和(自身を除く): 32517534

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 861, 953, 1066, 1599, 1722, 1906, 2859, 3198, 3731, 5718, 6671, 7462, 11193, 12389, 13342, 20013, 22386, 24778, 37167, 39073, 40026, 74334, 78146, 86723, 117219, 173446, 234438, 260169, 273511, 507949, 520338, 547022, 820533, 1015898, 1523847, 1641066, 3047694, 3555643, 7111286, 10666929, 21333858]

約数ペア:

[(1, 21333858), (2, 10666929), (3, 7111286), (6, 3555643), (7, 3047694), (13, 1641066), (14, 1523847), (21, 1015898), (26, 820533), (39, 547022), (41, 520338), (42, 507949), (78, 273511), (82, 260169), (91, 234438), (123, 173446), (182, 117219), (246, 86723), (273, 78146), (287, 74334), (533, 40026), (546, 39073), (574, 37167), (861, 24778), (953, 22386), (1066, 20013), (1599, 13342), (1722, 12389), (1906, 11193), (2859, 7462), (3198, 6671), (3731, 5718)]