16980390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{26953}}^1$

素因数の和:26973

約数の個数: 48

約数和(自身を含む): 50457888

約数和(自身を除く): 33477498

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 26953, 53906, 80859, 134765, 161718, 188671, 242577, 269530, 377342, 404295, 485154, 566013, 808590, 943355, 1132026, 1212885, 1698039, 1886710, 2425770, 2830065, 3396078, 5660130, 8490195, 16980390]

約数ペア:

[(1, 16980390), (2, 8490195), (3, 5660130), (5, 3396078), (6, 2830065), (7, 2425770), (9, 1886710), (10, 1698039), (14, 1212885), (15, 1132026), (18, 943355), (21, 808590), (30, 566013), (35, 485154), (42, 404295), (45, 377342), (63, 269530), (70, 242577), (90, 188671), (105, 161718), (126, 134765), (210, 80859), (315, 53906), (630, 26953)]