21000895515

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3050239}}^1$

素因数の和:3050273

約数の個数: 40

約数和(自身を含む): 39860536320

約数和(自身を除く): 18859640805

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 3050239, 9150717, 15251195, 27452151, 45753585, 51854063, 82356453, 137260755, 155562189, 247069359, 259270315, 411782265, 466686567, 777810945, 1235346795, 1400059701, 2333432835, 4200179103, 7000298505, 21000895515]

約数ペア:

[(1, 21000895515), (3, 7000298505), (5, 4200179103), (9, 2333432835), (15, 1400059701), (17, 1235346795), (27, 777810945), (45, 466686567), (51, 411782265), (81, 259270315), (85, 247069359), (135, 155562189), (153, 137260755), (255, 82356453), (405, 51854063), (459, 45753585), (765, 27452151), (1377, 15251195), (2295, 9150717), (6885, 3050239)]