21523428

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 62294400

約数和(自身を除く): 40770972

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 153, 171, 204, 228, 306, 323, 342, 459, 513, 612, 617, 646, 684, 918, 969, 1026, 1234, 1292, 1836, 1851, 1938, 2052, 2468, 2907, 3702, 3876, 5553, 5814, 7404, 8721, 10489, 11106, 11628, 11723, 16659, 17442, 20978, 22212, 23446, 31467, 33318, 34884, 35169, 41956, 46892, 62934, 66636, 70338, 94401, 105507, 125868, 140676, 188802, 199291, 211014, 283203, 316521, 377604, 398582, 422028, 566406, 597873, 633042, 797164, 1132812, 1195746, 1266084, 1793619, 2391492, 3587238, 5380857, 7174476, 10761714, 21523428]

約数ペア:

[(1, 21523428), (2, 10761714), (3, 7174476), (4, 5380857), (6, 3587238), (9, 2391492), (12, 1793619), (17, 1266084), (18, 1195746), (19, 1132812), (27, 797164), (34, 633042), (36, 597873), (38, 566406), (51, 422028), (54, 398582), (57, 377604), (68, 316521), (76, 283203), (102, 211014), (108, 199291), (114, 188802), (153, 140676), (171, 125868), (204, 105507), (228, 94401), (306, 70338), (323, 66636), (342, 62934), (459, 46892), (513, 41956), (612, 35169), (617, 34884), (646, 33318), (684, 31467), (918, 23446), (969, 22212), (1026, 20978), (1234, 17442), (1292, 16659), (1836, 11723), (1851, 11628), (1938, 11106), (2052, 10489), (2468, 8721), (2907, 7404), (3702, 5814), (3876, 5553)]