21923715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 19133565

約数列:

[1, 3, 5, 11, 15, 23, 33, 53, 55, 69, 109, 115, 159, 165, 253, 265, 327, 345, 545, 583, 759, 795, 1199, 1219, 1265, 1635, 1749, 2507, 2915, 3597, 3657, 3795, 5777, 5995, 6095, 7521, 8745, 12535, 13409, 17331, 17985, 18285, 27577, 28885, 37605, 40227, 63547, 67045, 82731, 86655, 132871, 137885, 190641, 201135, 317735, 398613, 413655, 664355, 953205, 1461581, 1993065, 4384743, 7307905, 21923715]

約数ペア:

[(1, 21923715), (3, 7307905), (5, 4384743), (11, 1993065), (15, 1461581), (23, 953205), (33, 664355), (53, 413655), (55, 398613), (69, 317735), (109, 201135), (115, 190641), (159, 137885), (165, 132871), (253, 86655), (265, 82731), (327, 67045), (345, 63547), (545, 40227), (583, 37605), (759, 28885), (795, 27577), (1199, 18285), (1219, 17985), (1265, 17331), (1635, 13409), (1749, 12535), (2507, 8745), (2915, 7521), (3597, 6095), (3657, 5995), (3795, 5777)]