21337560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 74304000

約数和(自身を除く): 52966440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 859, 920, 1035, 1080, 1242, 1380, 1656, 1718, 2070, 2484, 2577, 2760, 3105, 3436, 4140, 4295, 4968, 5154, 6210, 6872, 7731, 8280, 8590, 10308, 12420, 12885, 15462, 17180, 19757, 20616, 23193, 24840, 25770, 30924, 34360, 38655, 39514, 46386, 51540, 59271, 61848, 77310, 79028, 92772, 98785, 103080, 115965, 118542, 154620, 158056, 177813, 185544, 197570, 231930, 237084, 296355, 309240, 355626, 395140, 463860, 474168, 533439, 592710, 711252, 790280, 889065, 927720, 1066878, 1185420, 1422504, 1778130, 2133756, 2370840, 2667195, 3556260, 4267512, 5334390, 7112520, 10668780, 21337560]

約数ペア:

[(1, 21337560), (2, 10668780), (3, 7112520), (4, 5334390), (5, 4267512), (6, 3556260), (8, 2667195), (9, 2370840), (10, 2133756), (12, 1778130), (15, 1422504), (18, 1185420), (20, 1066878), (23, 927720), (24, 889065), (27, 790280), (30, 711252), (36, 592710), (40, 533439), (45, 474168), (46, 463860), (54, 395140), (60, 355626), (69, 309240), (72, 296355), (90, 237084), (92, 231930), (108, 197570), (115, 185544), (120, 177813), (135, 158056), (138, 154620), (180, 118542), (184, 115965), (207, 103080), (216, 98785), (230, 92772), (270, 79028), (276, 77310), (345, 61848), (360, 59271), (414, 51540), (460, 46386), (540, 39514), (552, 38655), (621, 34360), (690, 30924), (828, 25770), (859, 24840), (920, 23193), (1035, 20616), (1080, 19757), (1242, 17180), (1380, 15462), (1656, 12885), (1718, 12420), (2070, 10308), (2484, 8590), (2577, 8280), (2760, 7731), (3105, 6872), (3436, 6210), (4140, 5154), (4295, 4968)]