21863560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10313}}^1$

素因数の和:10377

約数の個数: 32

約数和(自身を含む): 50126040

約数和(自身を除く): 28262480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 10313, 20626, 41252, 51565, 82504, 103130, 206260, 412520, 546589, 1093178, 2186356, 2732945, 4372712, 5465890, 10931780, 21863560]

約数ペア:

[(1, 21863560), (2, 10931780), (4, 5465890), (5, 4372712), (8, 2732945), (10, 2186356), (20, 1093178), (40, 546589), (53, 412520), (106, 206260), (212, 103130), (265, 82504), (424, 51565), (530, 41252), (1060, 20626), (2120, 10313)]