21283116

素因数分解:

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

素因数の和:96

約数の個数: 72

約数和(自身を含む): 55686960

約数和(自身を除く): 34403844

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 289, 323, 361, 578, 646, 722, 867, 969, 1083, 1156, 1292, 1444, 1734, 1938, 2166, 3468, 3876, 4332, 4913, 5491, 6137, 9826, 10982, 12274, 14739, 16473, 18411, 19652, 21964, 24548, 29478, 32946, 36822, 58956, 65892, 73644, 93347, 104329, 186694, 208658, 280041, 312987, 373388, 417316, 560082, 625974, 1120164, 1251948, 1773593, 3547186, 5320779, 7094372, 10641558, 21283116]

約数ペア:

[(1, 21283116), (2, 10641558), (3, 7094372), (4, 5320779), (6, 3547186), (12, 1773593), (17, 1251948), (19, 1120164), (34, 625974), (38, 560082), (51, 417316), (57, 373388), (68, 312987), (76, 280041), (102, 208658), (114, 186694), (204, 104329), (228, 93347), (289, 73644), (323, 65892), (361, 58956), (578, 36822), (646, 32946), (722, 29478), (867, 24548), (969, 21964), (1083, 19652), (1156, 18411), (1292, 16473), (1444, 14739), (1734, 12274), (1938, 10982), (2166, 9826), (3468, 6137), (3876, 5491), (4332, 4913)]