21541992

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 58605120

約数和(自身を除く): 37063128

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1427, 1887, 2516, 2854, 3774, 4281, 5032, 5708, 7548, 8562, 11416, 15096, 17124, 24259, 34248, 48518, 52799, 72777, 97036, 105598, 145554, 158397, 194072, 211196, 291108, 316794, 422392, 582216, 633588, 897583, 1267176, 1795166, 2692749, 3590332, 5385498, 7180664, 10770996, 21541992]

約数ペア:

[(1, 21541992), (2, 10770996), (3, 7180664), (4, 5385498), (6, 3590332), (8, 2692749), (12, 1795166), (17, 1267176), (24, 897583), (34, 633588), (37, 582216), (51, 422392), (68, 316794), (74, 291108), (102, 211196), (111, 194072), (136, 158397), (148, 145554), (204, 105598), (222, 97036), (296, 72777), (408, 52799), (444, 48518), (629, 34248), (888, 24259), (1258, 17124), (1427, 15096), (1887, 11416), (2516, 8562), (2854, 7548), (3774, 5708), (4281, 5032)]