21167503565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{71119}}^1$

素因数の和:71397

約数の個数: 32

約数和(自身を含む): 28914547200

約数和(自身を除く): 7747043635

約数列:

[1, 5, 13, 19, 65, 95, 241, 247, 1205, 1235, 3133, 4579, 15665, 22895, 59527, 71119, 297635, 355595, 924547, 1351261, 4622735, 6756305, 17139679, 17566393, 85698395, 87831965, 222815827, 325653901, 1114079135, 1628269505, 4233500713, 21167503565]

約数ペア:

[(1, 21167503565), (5, 4233500713), (13, 1628269505), (19, 1114079135), (65, 325653901), (95, 222815827), (241, 87831965), (247, 85698395), (1205, 17566393), (1235, 17139679), (3133, 6756305), (4579, 4622735), (15665, 1351261), (22895, 924547), (59527, 355595), (71119, 297635)]