21447064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 21418136

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 358, 716, 881, 1432, 1762, 3043, 3524, 6086, 7048, 12172, 14977, 24344, 29954, 59908, 119816, 157699, 315398, 630796, 1261592, 2680883, 5361766, 10723532, 21447064]

約数ペア:

[(1, 21447064), (2, 10723532), (4, 5361766), (8, 2680883), (17, 1261592), (34, 630796), (68, 315398), (136, 157699), (179, 119816), (358, 59908), (716, 29954), (881, 24344), (1432, 14977), (1762, 12172), (3043, 7048), (3524, 6086)]