21681135

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22943}}^1$

素因数の和:22964

約数の個数: 32

約数和(自身を含む): 44052480

約数和(自身を除く): 22371345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22943, 68829, 114715, 160601, 206487, 344145, 481803, 619461, 803005, 1032435, 1445409, 2409015, 3097305, 4336227, 7227045, 21681135]

約数ペア:

[(1, 21681135), (3, 7227045), (5, 4336227), (7, 3097305), (9, 2409015), (15, 1445409), (21, 1032435), (27, 803005), (35, 619461), (45, 481803), (63, 344145), (105, 206487), (135, 160601), (189, 114715), (315, 68829), (945, 22943)]