21167352375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{255413}}^1$

素因数の和:255461

約数の個数: 64

約数和(自身を含む): 40163340672

約数和(自身を除く): 18995988297

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 663, 975, 1105, 1275, 1625, 2125, 3315, 4875, 5525, 6375, 16575, 27625, 82875, 255413, 766239, 1277065, 3320369, 3831195, 4342021, 6385325, 9961107, 13026063, 16601845, 19155975, 21710105, 31926625, 49805535, 56446273, 65130315, 83009225, 95779875, 108550525, 169338819, 249027675, 282231365, 325651575, 415046125, 542752625, 846694095, 1245138375, 1411156825, 1628257875, 4233470475, 7055784125, 21167352375]

約数ペア:

[(1, 21167352375), (3, 7055784125), (5, 4233470475), (13, 1628257875), (15, 1411156825), (17, 1245138375), (25, 846694095), (39, 542752625), (51, 415046125), (65, 325651575), (75, 282231365), (85, 249027675), (125, 169338819), (195, 108550525), (221, 95779875), (255, 83009225), (325, 65130315), (375, 56446273), (425, 49805535), (663, 31926625), (975, 21710105), (1105, 19155975), (1275, 16601845), (1625, 13026063), (2125, 9961107), (3315, 6385325), (4875, 4342021), (5525, 3831195), (6375, 3320369), (16575, 1277065), (27625, 766239), (82875, 255413)]