21471569408

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{13309}}^1$

素因数の和:13487

約数の個数: 80

約数和(自身を含む): 45096622560

約数和(自身を除く): 23625053152

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 137, 184, 256, 274, 368, 512, 548, 736, 1096, 1472, 2192, 2944, 3151, 4384, 5888, 6302, 8768, 11776, 12604, 13309, 17536, 25208, 26618, 35072, 50416, 53236, 70144, 100832, 106472, 201664, 212944, 306107, 403328, 425888, 612214, 806656, 851776, 1224428, 1613312, 1703552, 1823333, 2448856, 3407104, 3646666, 4897712, 6814208, 7293332, 9795424, 14586664, 19590848, 29173328, 39181696, 41936659, 58346656, 78363392, 83873318, 116693312, 156726784, 167746636, 233386624, 335493272, 466773248, 670986544, 933546496, 1341973088, 2683946176, 5367892352, 10735784704, 21471569408]

約数ペア:

[(1, 21471569408), (2, 10735784704), (4, 5367892352), (8, 2683946176), (16, 1341973088), (23, 933546496), (32, 670986544), (46, 466773248), (64, 335493272), (92, 233386624), (128, 167746636), (137, 156726784), (184, 116693312), (256, 83873318), (274, 78363392), (368, 58346656), (512, 41936659), (548, 39181696), (736, 29173328), (1096, 19590848), (1472, 14586664), (2192, 9795424), (2944, 7293332), (3151, 6814208), (4384, 4897712), (5888, 3646666), (6302, 3407104), (8768, 2448856), (11776, 1823333), (12604, 1703552), (13309, 1613312), (17536, 1224428), (25208, 851776), (26618, 806656), (35072, 612214), (50416, 425888), (53236, 403328), (70144, 306107), (100832, 212944), (106472, 201664)]