21607024450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{9181}}^1$

素因数の和:9604

約数の個数: 72

約数和(自身を含む): 44293141620

約数和(自身を除く): 22686117170

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 389, 550, 605, 778, 1210, 1945, 3025, 3890, 4279, 6050, 8558, 9181, 9725, 18362, 19450, 21395, 42790, 45905, 47069, 91810, 94138, 100991, 106975, 201982, 213950, 229525, 235345, 459050, 470690, 504955, 1009910, 1110901, 1176725, 2221802, 2353450, 2524775, 3571409, 5049550, 5554505, 7142818, 11109010, 17857045, 27772525, 35714090, 39285499, 55545050, 78570998, 89285225, 178570450, 196427495, 392854990, 432140489, 864280978, 982137475, 1964274950, 2160702445, 4321404890, 10803512225, 21607024450]

約数ペア:

[(1, 21607024450), (2, 10803512225), (5, 4321404890), (10, 2160702445), (11, 1964274950), (22, 982137475), (25, 864280978), (50, 432140489), (55, 392854990), (110, 196427495), (121, 178570450), (242, 89285225), (275, 78570998), (389, 55545050), (550, 39285499), (605, 35714090), (778, 27772525), (1210, 17857045), (1945, 11109010), (3025, 7142818), (3890, 5554505), (4279, 5049550), (6050, 3571409), (8558, 2524775), (9181, 2353450), (9725, 2221802), (18362, 1176725), (19450, 1110901), (21395, 1009910), (42790, 504955), (45905, 470690), (47069, 459050), (91810, 235345), (94138, 229525), (100991, 213950), (106975, 201982)]