21383672

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 20801128

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1511, 1769, 3022, 3538, 6044, 7076, 12088, 14152, 43819, 87638, 92171, 175276, 184342, 350552, 368684, 737368, 2672959, 5345918, 10691836, 21383672]

約数ペア:

[(1, 21383672), (2, 10691836), (4, 5345918), (8, 2672959), (29, 737368), (58, 368684), (61, 350552), (116, 184342), (122, 175276), (232, 92171), (244, 87638), (488, 43819), (1511, 14152), (1769, 12088), (3022, 7076), (3538, 6044)]