21182336

素因数分解:

$2^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 28169344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 329, 376, 448, 503, 658, 752, 896, 1006, 1316, 1504, 2012, 2632, 3008, 3521, 4024, 5264, 6016, 7042, 8048, 10528, 14084, 16096, 21056, 23641, 28168, 32192, 42112, 47282, 56336, 64384, 94564, 112672, 165487, 189128, 225344, 330974, 378256, 450688, 661948, 756512, 1323896, 1513024, 2647792, 3026048, 5295584, 10591168, 21182336]

約数ペア:

[(1, 21182336), (2, 10591168), (4, 5295584), (7, 3026048), (8, 2647792), (14, 1513024), (16, 1323896), (28, 756512), (32, 661948), (47, 450688), (56, 378256), (64, 330974), (94, 225344), (112, 189128), (128, 165487), (188, 112672), (224, 94564), (329, 64384), (376, 56336), (448, 47282), (503, 42112), (658, 32192), (752, 28168), (896, 23641), (1006, 21056), (1316, 16096), (1504, 14084), (2012, 10528), (2632, 8048), (3008, 7042), (3521, 6016), (4024, 5264)]