21170145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14754975

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1187, 1189, 3561, 3567, 5935, 5945, 17805, 17835, 34423, 48667, 103269, 146001, 172115, 243335, 516345, 730005, 1411343, 4234029, 7056715, 21170145]

約数ペア:

[(1, 21170145), (3, 7056715), (5, 4234029), (15, 1411343), (29, 730005), (41, 516345), (87, 243335), (123, 172115), (145, 146001), (205, 103269), (435, 48667), (615, 34423), (1187, 17835), (1189, 17805), (3561, 5945), (3567, 5935)]