21944175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 40271232

約数和(自身を除く): 18327057

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 165, 201, 275, 335, 397, 737, 825, 1005, 1191, 1675, 1985, 2211, 3685, 4367, 5025, 5955, 9925, 11055, 13101, 18425, 21835, 26599, 29775, 55275, 65505, 79797, 109175, 132995, 292589, 327525, 398985, 664975, 877767, 1462945, 1994925, 4388835, 7314725, 21944175]

約数ペア:

[(1, 21944175), (3, 7314725), (5, 4388835), (11, 1994925), (15, 1462945), (25, 877767), (33, 664975), (55, 398985), (67, 327525), (75, 292589), (165, 132995), (201, 109175), (275, 79797), (335, 65505), (397, 55275), (737, 29775), (825, 26599), (1005, 21835), (1191, 18425), (1675, 13101), (1985, 11055), (2211, 9925), (3685, 5955), (4367, 5025)]