21470538

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 23388342

約数列:

[1, 2, 3, 6, 31, 62, 89, 93, 178, 186, 267, 534, 1297, 2594, 2759, 3891, 5518, 7782, 8277, 16554, 40207, 80414, 115433, 120621, 230866, 241242, 346299, 692598, 3578423, 7156846, 10735269, 21470538]

約数ペア:

[(1, 21470538), (2, 10735269), (3, 7156846), (6, 3578423), (31, 692598), (62, 346299), (89, 241242), (93, 230866), (178, 120621), (186, 115433), (267, 80414), (534, 40207), (1297, 16554), (2594, 8277), (2759, 7782), (3891, 5518)]