21579250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 53913600

約数和(自身を除く): 32334350

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 50, 55, 59, 70, 77, 95, 110, 118, 125, 133, 154, 175, 190, 209, 250, 266, 275, 295, 350, 385, 413, 418, 475, 550, 590, 649, 665, 770, 826, 875, 950, 1045, 1121, 1298, 1330, 1375, 1463, 1475, 1750, 1925, 2065, 2090, 2242, 2375, 2750, 2926, 2950, 3245, 3325, 3850, 4130, 4543, 4750, 5225, 5605, 6490, 6650, 7315, 7375, 7847, 9086, 9625, 10325, 10450, 11210, 12331, 14630, 14750, 15694, 16225, 16625, 19250, 20650, 22715, 24662, 26125, 28025, 32450, 33250, 36575, 39235, 45430, 51625, 52250, 56050, 61655, 73150, 78470, 81125, 86317, 103250, 113575, 123310, 140125, 162250, 172634, 182875, 196175, 227150, 280250, 308275, 365750, 392350, 431585, 567875, 616550, 863170, 980875, 1135750, 1541375, 1961750, 2157925, 3082750, 4315850, 10789625, 21579250]

約数ペア:

[(1, 21579250), (2, 10789625), (5, 4315850), (7, 3082750), (10, 2157925), (11, 1961750), (14, 1541375), (19, 1135750), (22, 980875), (25, 863170), (35, 616550), (38, 567875), (50, 431585), (55, 392350), (59, 365750), (70, 308275), (77, 280250), (95, 227150), (110, 196175), (118, 182875), (125, 172634), (133, 162250), (154, 140125), (175, 123310), (190, 113575), (209, 103250), (250, 86317), (266, 81125), (275, 78470), (295, 73150), (350, 61655), (385, 56050), (413, 52250), (418, 51625), (475, 45430), (550, 39235), (590, 36575), (649, 33250), (665, 32450), (770, 28025), (826, 26125), (875, 24662), (950, 22715), (1045, 20650), (1121, 19250), (1298, 16625), (1330, 16225), (1375, 15694), (1463, 14750), (1475, 14630), (1750, 12331), (1925, 11210), (2065, 10450), (2090, 10325), (2242, 9625), (2375, 9086), (2750, 7847), (2926, 7375), (2950, 7315), (3245, 6650), (3325, 6490), (3850, 5605), (4130, 5225), (4543, 4750)]