21877504

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 50552208

約数和(自身を除く): 28674704

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 457, 544, 704, 748, 914, 1088, 1408, 1496, 1828, 2176, 2816, 2992, 3656, 4352, 5027, 5984, 7312, 7769, 10054, 11968, 14624, 15538, 20108, 23936, 29248, 31076, 40216, 47872, 58496, 62152, 80432, 85459, 116992, 124304, 160864, 170918, 248608, 321728, 341836, 497216, 643456, 683672, 994432, 1286912, 1367344, 1988864, 2734688, 5469376, 10938752, 21877504]

約数ペア:

[(1, 21877504), (2, 10938752), (4, 5469376), (8, 2734688), (11, 1988864), (16, 1367344), (17, 1286912), (22, 994432), (32, 683672), (34, 643456), (44, 497216), (64, 341836), (68, 321728), (88, 248608), (128, 170918), (136, 160864), (176, 124304), (187, 116992), (256, 85459), (272, 80432), (352, 62152), (374, 58496), (457, 47872), (544, 40216), (704, 31076), (748, 29248), (914, 23936), (1088, 20108), (1408, 15538), (1496, 14624), (1828, 11968), (2176, 10054), (2816, 7769), (2992, 7312), (3656, 5984), (4352, 5027)]