21038184

素因数分解:

$2^3\times 3^3\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 58881600

約数和(自身を除く): 37843416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 173, 216, 346, 519, 563, 692, 1038, 1126, 1384, 1557, 1689, 2076, 2252, 3114, 3378, 4152, 4504, 4671, 5067, 6228, 6756, 9342, 10134, 12456, 13512, 15201, 18684, 20268, 30402, 37368, 40536, 60804, 97399, 121608, 194798, 292197, 389596, 584394, 779192, 876591, 1168788, 1753182, 2337576, 2629773, 3506364, 5259546, 7012728, 10519092, 21038184]

約数ペア:

[(1, 21038184), (2, 10519092), (3, 7012728), (4, 5259546), (6, 3506364), (8, 2629773), (9, 2337576), (12, 1753182), (18, 1168788), (24, 876591), (27, 779192), (36, 584394), (54, 389596), (72, 292197), (108, 194798), (173, 121608), (216, 97399), (346, 60804), (519, 40536), (563, 37368), (692, 30402), (1038, 20268), (1126, 18684), (1384, 15201), (1557, 13512), (1689, 12456), (2076, 10134), (2252, 9342), (3114, 6756), (3378, 6228), (4152, 5067), (4504, 4671)]