21675408

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 60103296

約数和(自身を除く): 38427888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 101, 102, 136, 202, 204, 263, 272, 303, 404, 408, 526, 606, 789, 808, 816, 1052, 1212, 1578, 1616, 1717, 2104, 2424, 3156, 3434, 4208, 4471, 4848, 5151, 6312, 6868, 8942, 10302, 12624, 13413, 13736, 17884, 20604, 26563, 26826, 27472, 35768, 41208, 53126, 53652, 71536, 79689, 82416, 106252, 107304, 159378, 212504, 214608, 318756, 425008, 451571, 637512, 903142, 1275024, 1354713, 1806284, 2709426, 3612568, 5418852, 7225136, 10837704, 21675408]

約数ペア:

[(1, 21675408), (2, 10837704), (3, 7225136), (4, 5418852), (6, 3612568), (8, 2709426), (12, 1806284), (16, 1354713), (17, 1275024), (24, 903142), (34, 637512), (48, 451571), (51, 425008), (68, 318756), (101, 214608), (102, 212504), (136, 159378), (202, 107304), (204, 106252), (263, 82416), (272, 79689), (303, 71536), (404, 53652), (408, 53126), (526, 41208), (606, 35768), (789, 27472), (808, 26826), (816, 26563), (1052, 20604), (1212, 17884), (1578, 13736), (1616, 13413), (1717, 12624), (2104, 10302), (2424, 8942), (3156, 6868), (3434, 6312), (4208, 5151), (4471, 4848)]