21192390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2837}}^1$

素因数の和:2933

約数の個数: 48

約数和(自身を含む): 55783728

約数和(自身を除く): 34591338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2837, 3735, 5674, 7470, 8511, 14185, 17022, 25533, 28370, 42555, 51066, 85110, 127665, 235471, 255330, 470942, 706413, 1177355, 1412826, 2119239, 2354710, 3532065, 4238478, 7064130, 10596195, 21192390]

約数ペア:

[(1, 21192390), (2, 10596195), (3, 7064130), (5, 4238478), (6, 3532065), (9, 2354710), (10, 2119239), (15, 1412826), (18, 1177355), (30, 706413), (45, 470942), (83, 255330), (90, 235471), (166, 127665), (249, 85110), (415, 51066), (498, 42555), (747, 28370), (830, 25533), (1245, 17022), (1494, 14185), (2490, 8511), (2837, 7470), (3735, 5674)]