21903168

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 112

約数和(自身を含む): 67950080

約数和(自身を除く): 46046912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 64, 84, 86, 96, 112, 129, 168, 172, 192, 224, 258, 301, 336, 344, 379, 448, 516, 602, 672, 688, 758, 903, 1032, 1137, 1204, 1344, 1376, 1516, 1806, 2064, 2274, 2408, 2653, 2752, 3032, 3612, 4128, 4548, 4816, 5306, 6064, 7224, 7959, 8256, 9096, 9632, 10612, 12128, 14448, 15918, 16297, 18192, 19264, 21224, 24256, 28896, 31836, 32594, 36384, 42448, 48891, 57792, 63672, 65188, 72768, 84896, 97782, 114079, 127344, 130376, 169792, 195564, 228158, 254688, 260752, 342237, 391128, 456316, 509376, 521504, 684474, 782256, 912632, 1043008, 1368948, 1564512, 1825264, 2737896, 3129024, 3650528, 5475792, 7301056, 10951584, 21903168]

約数ペア:

[(1, 21903168), (2, 10951584), (3, 7301056), (4, 5475792), (6, 3650528), (7, 3129024), (8, 2737896), (12, 1825264), (14, 1564512), (16, 1368948), (21, 1043008), (24, 912632), (28, 782256), (32, 684474), (42, 521504), (43, 509376), (48, 456316), (56, 391128), (64, 342237), (84, 260752), (86, 254688), (96, 228158), (112, 195564), (129, 169792), (168, 130376), (172, 127344), (192, 114079), (224, 97782), (258, 84896), (301, 72768), (336, 65188), (344, 63672), (379, 57792), (448, 48891), (516, 42448), (602, 36384), (672, 32594), (688, 31836), (758, 28896), (903, 24256), (1032, 21224), (1137, 19264), (1204, 18192), (1344, 16297), (1376, 15918), (1516, 14448), (1806, 12128), (2064, 10612), (2274, 9632), (2408, 9096), (2653, 8256), (2752, 7959), (3032, 7224), (3612, 6064), (4128, 5306), (4548, 4816)]