21989460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19289}}^1$

素因数の和:19320

約数の個数: 48

約数和(自身を含む): 64814400

約数和(自身を除く): 42824940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19289, 38578, 57867, 77156, 96445, 115734, 192890, 231468, 289335, 366491, 385780, 578670, 732982, 1099473, 1157340, 1465964, 1832455, 2198946, 3664910, 4397892, 5497365, 7329820, 10994730, 21989460]

約数ペア:

[(1, 21989460), (2, 10994730), (3, 7329820), (4, 5497365), (5, 4397892), (6, 3664910), (10, 2198946), (12, 1832455), (15, 1465964), (19, 1157340), (20, 1099473), (30, 732982), (38, 578670), (57, 385780), (60, 366491), (76, 289335), (95, 231468), (114, 192890), (190, 115734), (228, 96445), (285, 77156), (380, 57867), (570, 38578), (1140, 19289)]