21501645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{863}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 16320819

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 755, 863, 1661, 2265, 2589, 4315, 4983, 8305, 9493, 12945, 24915, 28479, 47465, 130313, 142395, 390939, 651565, 1433443, 1954695, 4300329, 7167215, 21501645]

約数ペア:

[(1, 21501645), (3, 7167215), (5, 4300329), (11, 1954695), (15, 1433443), (33, 651565), (55, 390939), (151, 142395), (165, 130313), (453, 47465), (755, 28479), (863, 24915), (1661, 12945), (2265, 9493), (2589, 8305), (4315, 4983)]