21943815

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 15215097

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1151, 1271, 3453, 3813, 5755, 6355, 17265, 19065, 35681, 47191, 107043, 141573, 178405, 235955, 535215, 707865, 1462921, 4388763, 7314605, 21943815]

約数ペア:

[(1, 21943815), (3, 7314605), (5, 4388763), (15, 1462921), (31, 707865), (41, 535215), (93, 235955), (123, 178405), (155, 141573), (205, 107043), (465, 47191), (615, 35681), (1151, 19065), (1271, 17265), (3453, 6355), (3813, 5755)]