21364410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 54836352

約数和(自身を除く): 33471942

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 163, 170, 255, 257, 326, 489, 510, 514, 771, 815, 978, 1285, 1542, 1630, 2445, 2570, 2771, 3855, 4369, 4890, 5542, 7710, 8313, 8738, 13107, 13855, 16626, 21845, 26214, 27710, 41565, 41891, 43690, 65535, 83130, 83782, 125673, 131070, 209455, 251346, 418910, 628365, 712147, 1256730, 1424294, 2136441, 3560735, 4272882, 7121470, 10682205, 21364410]

約数ペア:

[(1, 21364410), (2, 10682205), (3, 7121470), (5, 4272882), (6, 3560735), (10, 2136441), (15, 1424294), (17, 1256730), (30, 712147), (34, 628365), (51, 418910), (85, 251346), (102, 209455), (163, 131070), (170, 125673), (255, 83782), (257, 83130), (326, 65535), (489, 43690), (510, 41891), (514, 41565), (771, 27710), (815, 26214), (978, 21845), (1285, 16626), (1542, 13855), (1630, 13107), (2445, 8738), (2570, 8313), (2771, 7710), (3855, 5542), (4369, 4890)]