21748008

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 58824000

約数和(自身を除く): 37075992

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1289, 1406, 2109, 2578, 2812, 3867, 4218, 5156, 5624, 7734, 8436, 10312, 15468, 16872, 24491, 30936, 47693, 48982, 73473, 95386, 97964, 143079, 146946, 190772, 195928, 286158, 293892, 381544, 572316, 587784, 906167, 1144632, 1812334, 2718501, 3624668, 5437002, 7249336, 10874004, 21748008]

約数ペア:

[(1, 21748008), (2, 10874004), (3, 7249336), (4, 5437002), (6, 3624668), (8, 2718501), (12, 1812334), (19, 1144632), (24, 906167), (37, 587784), (38, 572316), (57, 381544), (74, 293892), (76, 286158), (111, 195928), (114, 190772), (148, 146946), (152, 143079), (222, 97964), (228, 95386), (296, 73473), (444, 48982), (456, 47693), (703, 30936), (888, 24491), (1289, 16872), (1406, 15468), (2109, 10312), (2578, 8436), (2812, 7734), (3867, 5624), (4218, 5156)]