21328596738

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{32413}}^1$

素因数の和:32823

約数の個数: 48

約数和(自身を含む): 46722836160

約数和(自身を除く): 25394239422

約数列:

[1, 2, 3, 6, 9, 18, 139, 263, 278, 417, 526, 789, 834, 1251, 1578, 2367, 2502, 4734, 32413, 36557, 64826, 73114, 97239, 109671, 194478, 219342, 291717, 329013, 583434, 658026, 4505407, 8524619, 9010814, 13516221, 17049238, 25573857, 27032442, 40548663, 51147714, 76721571, 81097326, 153443142, 1184922041, 2369844082, 3554766123, 7109532246, 10664298369, 21328596738]

約数ペア:

[(1, 21328596738), (2, 10664298369), (3, 7109532246), (6, 3554766123), (9, 2369844082), (18, 1184922041), (139, 153443142), (263, 81097326), (278, 76721571), (417, 51147714), (526, 40548663), (789, 27032442), (834, 25573857), (1251, 17049238), (1578, 13516221), (2367, 9010814), (2502, 8524619), (4734, 4505407), (32413, 658026), (36557, 583434), (64826, 329013), (73114, 291717), (97239, 219342), (109671, 194478)]