2021621763

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{41801}}^1$

素因数の和:41872

約数の個数: 32

約数和(自身を含む): 3210393600

約数和(自身を除く): 1188771837

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 6909, 16121, 41801, 48363, 125403, 292607, 877821, 1964647, 2048249, 5893941, 6144747, 13752529, 14337743, 41257587, 43013229, 96267703, 288803109, 673873921, 2021621763]

約数ペア:

[(1, 2021621763), (3, 673873921), (7, 288803109), (21, 96267703), (47, 43013229), (49, 41257587), (141, 14337743), (147, 13752529), (329, 6144747), (343, 5893941), (987, 2048249), (1029, 1964647), (2303, 877821), (6909, 292607), (16121, 125403), (41801, 48363)]