21506130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2879}}^1$

素因数の和:2975

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35103150

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, 2879, 3735, 5758, 7470, 8637, 14395, 17274, 25911, 28790, 43185, 51822, 86370, 129555, 238957, 259110, 477914, 716871, 1194785, 1433742, 2150613, 2389570, 3584355, 4301226, 7168710, 10753065, 21506130]

約数ペア:

[(1, 21506130), (2, 10753065), (3, 7168710), (5, 4301226), (6, 3584355), (9, 2389570), (10, 2150613), (15, 1433742), (18, 1194785), (30, 716871), (45, 477914), (83, 259110), (90, 238957), (166, 129555), (249, 86370), (415, 51822), (498, 43185), (747, 28790), (830, 25911), (1245, 17274), (1494, 14395), (2490, 8637), (2879, 7470), (3735, 5758)]