21393348

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 52039680

約数和(自身を除く): 30646332

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 131, 186, 262, 372, 393, 439, 524, 786, 878, 1317, 1572, 1756, 2634, 4061, 5268, 8122, 12183, 13609, 16244, 24366, 27218, 40827, 48732, 54436, 57509, 81654, 115018, 163308, 172527, 230036, 345054, 690108, 1782779, 3565558, 5348337, 7131116, 10696674, 21393348]

約数ペア:

[(1, 21393348), (2, 10696674), (3, 7131116), (4, 5348337), (6, 3565558), (12, 1782779), (31, 690108), (62, 345054), (93, 230036), (124, 172527), (131, 163308), (186, 115018), (262, 81654), (372, 57509), (393, 54436), (439, 48732), (524, 40827), (786, 27218), (878, 24366), (1317, 16244), (1572, 13609), (1756, 12183), (2634, 8122), (4061, 5268)]