21794328

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{719}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 59248800

約数和(自身を除く): 37454472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 719, 842, 1263, 1438, 1684, 2157, 2526, 2876, 3368, 3789, 4314, 5052, 5752, 6471, 7578, 8628, 10104, 12942, 15156, 17256, 25884, 30312, 51768, 302699, 605398, 908097, 1210796, 1816194, 2421592, 2724291, 3632388, 5448582, 7264776, 10897164, 21794328]

約数ペア:

[(1, 21794328), (2, 10897164), (3, 7264776), (4, 5448582), (6, 3632388), (8, 2724291), (9, 2421592), (12, 1816194), (18, 1210796), (24, 908097), (36, 605398), (72, 302699), (421, 51768), (719, 30312), (842, 25884), (1263, 17256), (1438, 15156), (1684, 12942), (2157, 10104), (2526, 8628), (2876, 7578), (3368, 6471), (3789, 5752), (4314, 5052)]