21484922

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 34781184

約数和(自身を除く): 13296262

約数列:

[1, 2, 31, 47, 62, 73, 94, 101, 146, 202, 1457, 2263, 2914, 3131, 3431, 4526, 4747, 6262, 6862, 7373, 9494, 14746, 106361, 147157, 212722, 228563, 294314, 346531, 457126, 693062, 10742461, 21484922]

約数ペア:

[(1, 21484922), (2, 10742461), (31, 693062), (47, 457126), (62, 346531), (73, 294314), (94, 228563), (101, 212722), (146, 147157), (202, 106361), (1457, 14746), (2263, 9494), (2914, 7373), (3131, 6862), (3431, 6262), (4526, 4747)]