21091313884

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{38197}}^1$

素因数の和:38366

約数の個数: 48

約数和(自身を含む): 39256542976

約数和(自身を除く): 18165229092

約数列:

[1, 2, 4, 31, 61, 62, 73, 122, 124, 146, 244, 292, 1891, 2263, 3782, 4453, 4526, 7564, 8906, 9052, 17812, 38197, 76394, 138043, 152788, 276086, 552172, 1184107, 2330017, 2368214, 2788381, 4660034, 4736428, 5576762, 9320068, 11153524, 72230527, 86439811, 144461054, 170091241, 172879622, 288922108, 340182482, 345759244, 680364964, 5272828471, 10545656942, 21091313884]

約数ペア:

[(1, 21091313884), (2, 10545656942), (4, 5272828471), (31, 680364964), (61, 345759244), (62, 340182482), (73, 288922108), (122, 172879622), (124, 170091241), (146, 144461054), (244, 86439811), (292, 72230527), (1891, 11153524), (2263, 9320068), (3782, 5576762), (4453, 4736428), (4526, 4660034), (7564, 2788381), (8906, 2368214), (9052, 2330017), (17812, 1184107), (38197, 552172), (76394, 276086), (138043, 152788)]