21539430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21757}}^1$

素因数の和:21781

約数の個数: 48

約数和(自身を含む): 61096464

約数和(自身を除く): 39557034

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21757, 43514, 65271, 108785, 130542, 195813, 217570, 239327, 326355, 391626, 478654, 652710, 717981, 979065, 1196635, 1435962, 1958130, 2153943, 2393270, 3589905, 4307886, 7179810, 10769715, 21539430]

約数ペア:

[(1, 21539430), (2, 10769715), (3, 7179810), (5, 4307886), (6, 3589905), (9, 2393270), (10, 2153943), (11, 1958130), (15, 1435962), (18, 1196635), (22, 979065), (30, 717981), (33, 652710), (45, 478654), (55, 391626), (66, 326355), (90, 239327), (99, 217570), (110, 195813), (165, 130542), (198, 108785), (330, 65271), (495, 43514), (990, 21757)]