21911088

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 38085072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 89, 92, 138, 178, 184, 223, 267, 276, 356, 368, 446, 534, 552, 669, 712, 892, 1068, 1104, 1338, 1424, 1784, 2047, 2136, 2676, 3568, 4094, 4272, 5129, 5352, 6141, 8188, 10258, 10704, 12282, 15387, 16376, 19847, 20516, 24564, 30774, 32752, 39694, 41032, 49128, 59541, 61548, 79388, 82064, 98256, 119082, 123096, 158776, 238164, 246192, 317552, 456481, 476328, 912962, 952656, 1369443, 1825924, 2738886, 3651848, 5477772, 7303696, 10955544, 21911088]

約数ペア:

[(1, 21911088), (2, 10955544), (3, 7303696), (4, 5477772), (6, 3651848), (8, 2738886), (12, 1825924), (16, 1369443), (23, 952656), (24, 912962), (46, 476328), (48, 456481), (69, 317552), (89, 246192), (92, 238164), (138, 158776), (178, 123096), (184, 119082), (223, 98256), (267, 82064), (276, 79388), (356, 61548), (368, 59541), (446, 49128), (534, 41032), (552, 39694), (669, 32752), (712, 30774), (892, 24564), (1068, 20516), (1104, 19847), (1338, 16376), (1424, 15387), (1784, 12282), (2047, 10704), (2136, 10258), (2676, 8188), (3568, 6141), (4094, 5352), (4272, 5129)]