21100480

素因数分解:

$2^6\times 5^1\times {\mathrm{233}}^1\times {\mathrm{283}}^1$

素因数の和:533

約数の個数: 56

約数和(自身を含む): 50639472

約数和(自身を除く): 29538992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 233, 283, 320, 466, 566, 932, 1132, 1165, 1415, 1864, 2264, 2330, 2830, 3728, 4528, 4660, 5660, 7456, 9056, 9320, 11320, 14912, 18112, 18640, 22640, 37280, 45280, 65939, 74560, 90560, 131878, 263756, 329695, 527512, 659390, 1055024, 1318780, 2110048, 2637560, 4220096, 5275120, 10550240, 21100480]

約数ペア:

[(1, 21100480), (2, 10550240), (4, 5275120), (5, 4220096), (8, 2637560), (10, 2110048), (16, 1318780), (20, 1055024), (32, 659390), (40, 527512), (64, 329695), (80, 263756), (160, 131878), (233, 90560), (283, 74560), (320, 65939), (466, 45280), (566, 37280), (932, 22640), (1132, 18640), (1165, 18112), (1415, 14912), (1864, 11320), (2264, 9320), (2330, 9056), (2830, 7456), (3728, 5660), (4528, 4660)]