21809132930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4751}}^1\times {\mathrm{35311}}^1$

素因数の和:40082

約数の個数: 32

約数和(自身を含む): 42286261248

約数和(自身を除く): 20477128318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4751, 9502, 23755, 35311, 47510, 61763, 70622, 123526, 176555, 308815, 353110, 459043, 617630, 918086, 2295215, 4590430, 167762561, 335525122, 838812805, 1677625610, 2180913293, 4361826586, 10904566465, 21809132930]

約数ペア:

[(1, 21809132930), (2, 10904566465), (5, 4361826586), (10, 2180913293), (13, 1677625610), (26, 838812805), (65, 335525122), (130, 167762561), (4751, 4590430), (9502, 2295215), (23755, 918086), (35311, 617630), (47510, 459043), (61763, 353110), (70622, 308815), (123526, 176555)]