21880451558

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{263957}}^1$

素因数の和:264188

約数の個数: 32

約数和(自身を含む): 38922190848

約数和(自身を除く): 17041739290

約数列:

[1, 2, 7, 14, 31, 62, 191, 217, 382, 434, 1337, 2674, 5921, 11842, 41447, 82894, 263957, 527914, 1847699, 3695398, 8182667, 16365334, 50415787, 57278669, 100831574, 114557338, 352910509, 705821018, 1562889397, 3125778794, 10940225779, 21880451558]

約数ペア:

[(1, 21880451558), (2, 10940225779), (7, 3125778794), (14, 1562889397), (31, 705821018), (62, 352910509), (191, 114557338), (217, 100831574), (382, 57278669), (434, 50415787), (1337, 16365334), (2674, 8182667), (5921, 3695398), (11842, 1847699), (41447, 527914), (82894, 263957)]