21738915

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14639}}^1$

素因数の和:14664

約数の個数: 32

約数和(自身を含む): 42163200

約数和(自身を除く): 20424285

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14639, 43917, 73195, 131751, 161029, 219585, 395253, 483087, 658755, 805145, 1449261, 1976265, 2415435, 4347783, 7246305, 21738915]

約数ペア:

[(1, 21738915), (3, 7246305), (5, 4347783), (9, 2415435), (11, 1976265), (15, 1449261), (27, 805145), (33, 658755), (45, 483087), (55, 395253), (99, 219585), (135, 161029), (165, 131751), (297, 73195), (495, 43917), (1485, 14639)]