21647460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1165

約数の個数: 96

約数和(自身を含む): 67616640

約数和(自身を除く): 45969180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1117, 1140, 1292, 1615, 1938, 2234, 3230, 3351, 3876, 4468, 4845, 5585, 6460, 6702, 9690, 11170, 13404, 16755, 18989, 19380, 21223, 22340, 33510, 37978, 42446, 56967, 63669, 67020, 75956, 84892, 94945, 106115, 113934, 127338, 189890, 212230, 227868, 254676, 284835, 318345, 360791, 379780, 424460, 569670, 636690, 721582, 1082373, 1139340, 1273380, 1443164, 1803955, 2164746, 3607910, 4329492, 5411865, 7215820, 10823730, 21647460]

約数ペア:

[(1, 21647460), (2, 10823730), (3, 7215820), (4, 5411865), (5, 4329492), (6, 3607910), (10, 2164746), (12, 1803955), (15, 1443164), (17, 1273380), (19, 1139340), (20, 1082373), (30, 721582), (34, 636690), (38, 569670), (51, 424460), (57, 379780), (60, 360791), (68, 318345), (76, 284835), (85, 254676), (95, 227868), (102, 212230), (114, 189890), (170, 127338), (190, 113934), (204, 106115), (228, 94945), (255, 84892), (285, 75956), (323, 67020), (340, 63669), (380, 56967), (510, 42446), (570, 37978), (646, 33510), (969, 22340), (1020, 21223), (1117, 19380), (1140, 18989), (1292, 16755), (1615, 13404), (1938, 11170), (2234, 9690), (3230, 6702), (3351, 6460), (3876, 5585), (4468, 4845)]