21722272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 30096992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 47, 52, 88, 94, 101, 104, 143, 176, 188, 202, 208, 286, 352, 376, 404, 416, 517, 572, 611, 752, 808, 1034, 1111, 1144, 1222, 1313, 1504, 1616, 2068, 2222, 2288, 2444, 2626, 3232, 4136, 4444, 4576, 4747, 4888, 5252, 6721, 8272, 8888, 9494, 9776, 10504, 13442, 14443, 16544, 17776, 18988, 19552, 21008, 26884, 28886, 35552, 37976, 42016, 52217, 53768, 57772, 61711, 75952, 104434, 107536, 115544, 123422, 151904, 208868, 215072, 231088, 246844, 417736, 462176, 493688, 678821, 835472, 987376, 1357642, 1670944, 1974752, 2715284, 5430568, 10861136, 21722272]

約数ペア:

[(1, 21722272), (2, 10861136), (4, 5430568), (8, 2715284), (11, 1974752), (13, 1670944), (16, 1357642), (22, 987376), (26, 835472), (32, 678821), (44, 493688), (47, 462176), (52, 417736), (88, 246844), (94, 231088), (101, 215072), (104, 208868), (143, 151904), (176, 123422), (188, 115544), (202, 107536), (208, 104434), (286, 75952), (352, 61711), (376, 57772), (404, 53768), (416, 52217), (517, 42016), (572, 37976), (611, 35552), (752, 28886), (808, 26884), (1034, 21008), (1111, 19552), (1144, 18988), (1222, 17776), (1313, 16544), (1504, 14443), (1616, 13442), (2068, 10504), (2222, 9776), (2288, 9494), (2444, 8888), (2626, 8272), (3232, 6721), (4136, 5252), (4444, 4888), (4576, 4747)]