21000316592

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{577}}^1\times {\mathrm{78439}}^1$

素因数の和:79053

約数の個数: 40

約数和(自身を含む): 42164637600

約数和(自身を除く): 21164321008

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 577, 1154, 2308, 4616, 9232, 16733, 33466, 66932, 78439, 133864, 156878, 267728, 313756, 627512, 1255024, 2274731, 4549462, 9098924, 18197848, 36395696, 45259303, 90518606, 181037212, 362074424, 724148848, 1312519787, 2625039574, 5250079148, 10500158296, 21000316592]

約数ペア:

[(1, 21000316592), (2, 10500158296), (4, 5250079148), (8, 2625039574), (16, 1312519787), (29, 724148848), (58, 362074424), (116, 181037212), (232, 90518606), (464, 45259303), (577, 36395696), (1154, 18197848), (2308, 9098924), (4616, 4549462), (9232, 2274731), (16733, 1255024), (33466, 627512), (66932, 313756), (78439, 267728), (133864, 156878)]