21737648

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 43934688

約数和(自身を除く): 22197040

約数列:

[1, 2, 4, 8, 16, 37, 73, 74, 146, 148, 292, 296, 503, 584, 592, 1006, 1168, 2012, 2701, 4024, 5402, 8048, 10804, 18611, 21608, 36719, 37222, 43216, 73438, 74444, 146876, 148888, 293752, 297776, 587504, 1358603, 2717206, 5434412, 10868824, 21737648]

約数ペア:

[(1, 21737648), (2, 10868824), (4, 5434412), (8, 2717206), (16, 1358603), (37, 587504), (73, 297776), (74, 293752), (146, 148888), (148, 146876), (292, 74444), (296, 73438), (503, 43216), (584, 37222), (592, 36719), (1006, 21608), (1168, 18611), (2012, 10804), (2701, 8048), (4024, 5402)]