21150210176

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{4801}}^1$

素因数の和:5213

約数の個数: 64

約数和(自身を含む): 42632540160

約数和(自身を除く): 21482329984

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 271, 508, 542, 1016, 1084, 2032, 2168, 4064, 4336, 4801, 8128, 8672, 9602, 16256, 17344, 19204, 34417, 34688, 38408, 68834, 76816, 137668, 153632, 275336, 307264, 550672, 609727, 614528, 1101344, 1219454, 1301071, 2202688, 2438908, 2602142, 4405376, 4877816, 5204284, 9755632, 10408568, 19511264, 20817136, 39022528, 41634272, 78045056, 83268544, 165236017, 166537088, 330472034, 660944068, 1321888136, 2643776272, 5287552544, 10575105088, 21150210176]

約数ペア:

[(1, 21150210176), (2, 10575105088), (4, 5287552544), (8, 2643776272), (16, 1321888136), (32, 660944068), (64, 330472034), (127, 166537088), (128, 165236017), (254, 83268544), (271, 78045056), (508, 41634272), (542, 39022528), (1016, 20817136), (1084, 19511264), (2032, 10408568), (2168, 9755632), (4064, 5204284), (4336, 4877816), (4801, 4405376), (8128, 2602142), (8672, 2438908), (9602, 2202688), (16256, 1301071), (17344, 1219454), (19204, 1101344), (34417, 614528), (34688, 609727), (38408, 550672), (68834, 307264), (76816, 275336), (137668, 153632)]