21098256

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3461}}^1$

素因数の和:3599

約数の個数: 40

約数和(自身を含む): 54948864

約数和(自身を除く): 33850608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3461, 6096, 6922, 10383, 13844, 20766, 27688, 41532, 55376, 83064, 166128, 439547, 879094, 1318641, 1758188, 2637282, 3516376, 5274564, 7032752, 10549128, 21098256]

約数ペア:

[(1, 21098256), (2, 10549128), (3, 7032752), (4, 5274564), (6, 3516376), (8, 2637282), (12, 1758188), (16, 1318641), (24, 879094), (48, 439547), (127, 166128), (254, 83064), (381, 55376), (508, 41532), (762, 27688), (1016, 20766), (1524, 13844), (2032, 10383), (3048, 6922), (3461, 6096)]