21152624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4093}}^1$

素因数の和:4137

約数の個数: 40

約数和(自身を含む): 45689040

約数和(自身を除く): 24536416

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 4093, 5168, 8186, 16372, 32744, 65488, 69581, 77767, 139162, 155534, 278324, 311068, 556648, 622136, 1113296, 1244272, 1322039, 2644078, 5288156, 10576312, 21152624]

約数ペア:

[(1, 21152624), (2, 10576312), (4, 5288156), (8, 2644078), (16, 1322039), (17, 1244272), (19, 1113296), (34, 622136), (38, 556648), (68, 311068), (76, 278324), (136, 155534), (152, 139162), (272, 77767), (304, 69581), (323, 65488), (646, 32744), (1292, 16372), (2584, 8186), (4093, 5168)]