21258002016

素因数分解:

$2^5\times 3^3\times {\mathrm{971}}^1\times {\mathrm{25339}}^1$

素因数の和:26329

約数の個数: 96

約数和(自身を含む): 62068809600

約数和(自身を除く): 40810807584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 971, 1942, 2913, 3884, 5826, 7768, 8739, 11652, 15536, 17478, 23304, 25339, 26217, 31072, 34956, 46608, 50678, 52434, 69912, 76017, 93216, 101356, 104868, 139824, 152034, 202712, 209736, 228051, 279648, 304068, 405424, 419472, 456102, 608136, 684153, 810848, 838944, 912204, 1216272, 1368306, 1824408, 2432544, 2736612, 3648816, 5473224, 7297632, 10946448, 21892896, 24604169, 49208338, 73812507, 98416676, 147625014, 196833352, 221437521, 295250028, 393666704, 442875042, 590500056, 664312563, 787333408, 885750084, 1181000112, 1328625126, 1771500168, 2362000224, 2657250252, 3543000336, 5314500504, 7086000672, 10629001008, 21258002016]

約数ペア:

[(1, 21258002016), (2, 10629001008), (3, 7086000672), (4, 5314500504), (6, 3543000336), (8, 2657250252), (9, 2362000224), (12, 1771500168), (16, 1328625126), (18, 1181000112), (24, 885750084), (27, 787333408), (32, 664312563), (36, 590500056), (48, 442875042), (54, 393666704), (72, 295250028), (96, 221437521), (108, 196833352), (144, 147625014), (216, 98416676), (288, 73812507), (432, 49208338), (864, 24604169), (971, 21892896), (1942, 10946448), (2913, 7297632), (3884, 5473224), (5826, 3648816), (7768, 2736612), (8739, 2432544), (11652, 1824408), (15536, 1368306), (17478, 1216272), (23304, 912204), (25339, 838944), (26217, 810848), (31072, 684153), (34956, 608136), (46608, 456102), (50678, 419472), (52434, 405424), (69912, 304068), (76017, 279648), (93216, 228051), (101356, 209736), (104868, 202712), (139824, 152034)]