21194280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 69624360

約数和(自身を除く): 48430080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 521, 565, 678, 904, 1017, 1042, 1130, 1356, 1563, 1695, 2034, 2084, 2260, 2605, 2712, 3126, 3390, 4068, 4168, 4520, 4689, 5085, 5210, 6252, 6780, 7815, 8136, 9378, 10170, 10420, 12504, 13560, 15630, 18756, 20340, 20840, 23445, 31260, 37512, 40680, 46890, 58873, 62520, 93780, 117746, 176619, 187560, 235492, 294365, 353238, 470984, 529857, 588730, 706476, 883095, 1059714, 1177460, 1412952, 1766190, 2119428, 2354920, 2649285, 3532380, 4238856, 5298570, 7064760, 10597140, 21194280]

約数ペア:

[(1, 21194280), (2, 10597140), (3, 7064760), (4, 5298570), (5, 4238856), (6, 3532380), (8, 2649285), (9, 2354920), (10, 2119428), (12, 1766190), (15, 1412952), (18, 1177460), (20, 1059714), (24, 883095), (30, 706476), (36, 588730), (40, 529857), (45, 470984), (60, 353238), (72, 294365), (90, 235492), (113, 187560), (120, 176619), (180, 117746), (226, 93780), (339, 62520), (360, 58873), (452, 46890), (521, 40680), (565, 37512), (678, 31260), (904, 23445), (1017, 20840), (1042, 20340), (1130, 18756), (1356, 15630), (1563, 13560), (1695, 12504), (2034, 10420), (2084, 10170), (2260, 9378), (2605, 8136), (2712, 7815), (3126, 6780), (3390, 6252), (4068, 5210), (4168, 5085), (4520, 4689)]