21981566145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19031659}}^1$

素因数の和:19031685

約数の個数: 32

約数和(自身を含む): 43848944640

約数和(自身を除く): 21867378495

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 19031659, 57094977, 95158295, 133221613, 209348249, 285474885, 399664839, 628044747, 666108065, 1046741245, 1465437743, 1998324195, 3140223735, 4396313229, 7327188715, 21981566145]

約数ペア:

[(1, 21981566145), (3, 7327188715), (5, 4396313229), (7, 3140223735), (11, 1998324195), (15, 1465437743), (21, 1046741245), (33, 666108065), (35, 628044747), (55, 399664839), (77, 285474885), (105, 209348249), (165, 133221613), (231, 95158295), (385, 57094977), (1155, 19031659)]