21000944763

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{5387}}^1$

素因数の和:5726

約数の個数: 48

約数和(自身を含む): 32101445376

約数和(自身を除く): 11100500613

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 263, 549, 789, 1647, 2367, 4941, 5387, 7101, 14823, 16043, 16161, 21303, 48129, 48483, 63909, 144387, 145449, 328607, 433161, 436347, 985821, 1299483, 1309041, 1416781, 2957463, 3898449, 4250343, 8872389, 12751029, 26617167, 38253087, 79851501, 86423641, 114759261, 259270923, 344277783, 777812769, 2333438307, 7000314921, 21000944763]

約数ペア:

[(1, 21000944763), (3, 7000314921), (9, 2333438307), (27, 777812769), (61, 344277783), (81, 259270923), (183, 114759261), (243, 86423641), (263, 79851501), (549, 38253087), (789, 26617167), (1647, 12751029), (2367, 8872389), (4941, 4250343), (5387, 3898449), (7101, 2957463), (14823, 1416781), (16043, 1309041), (16161, 1299483), (21303, 985821), (48129, 436347), (48483, 433161), (63909, 328607), (144387, 145449)]