21824460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17321}}^1$

素因数の和:17343

約数の個数: 72

約数和(自身を含む): 75662496

約数和(自身を除く): 53838036

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17321, 34642, 51963, 69284, 86605, 103926, 121247, 155889, 173210, 207852, 242494, 259815, 311778, 346420, 363741, 484988, 519630, 606235, 623556, 727482, 779445, 1039260, 1091223, 1212470, 1454964, 1558890, 1818705, 2182446, 2424940, 3117780, 3637410, 4364892, 5456115, 7274820, 10912230, 21824460]

約数ペア:

[(1, 21824460), (2, 10912230), (3, 7274820), (4, 5456115), (5, 4364892), (6, 3637410), (7, 3117780), (9, 2424940), (10, 2182446), (12, 1818705), (14, 1558890), (15, 1454964), (18, 1212470), (20, 1091223), (21, 1039260), (28, 779445), (30, 727482), (35, 623556), (36, 606235), (42, 519630), (45, 484988), (60, 363741), (63, 346420), (70, 311778), (84, 259815), (90, 242494), (105, 207852), (126, 173210), (140, 155889), (180, 121247), (210, 103926), (252, 86605), (315, 69284), (420, 51963), (630, 34642), (1260, 17321)]