21313112

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 19964488

約数列:

[1, 2, 4, 8, 41, 82, 164, 181, 328, 359, 362, 718, 724, 1436, 1448, 2872, 7421, 14719, 14842, 29438, 29684, 58876, 59368, 64979, 117752, 129958, 259916, 519832, 2664139, 5328278, 10656556, 21313112]

約数ペア:

[(1, 21313112), (2, 10656556), (4, 5328278), (8, 2664139), (41, 519832), (82, 259916), (164, 129958), (181, 117752), (328, 64979), (359, 59368), (362, 58876), (718, 29684), (724, 29438), (1436, 14842), (1448, 14719), (2872, 7421)]