21855360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11383}}^1$

素因数の和:11405

約数の個数: 64

約数和(自身を含む): 69670080

約数和(自身を除く): 47814720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11383, 22766, 34149, 45532, 56915, 68298, 91064, 113830, 136596, 170745, 182128, 227660, 273192, 341490, 364256, 455320, 546384, 682980, 728512, 910640, 1092768, 1365960, 1457024, 1821280, 2185536, 2731920, 3642560, 4371072, 5463840, 7285120, 10927680, 21855360]

約数ペア:

[(1, 21855360), (2, 10927680), (3, 7285120), (4, 5463840), (5, 4371072), (6, 3642560), (8, 2731920), (10, 2185536), (12, 1821280), (15, 1457024), (16, 1365960), (20, 1092768), (24, 910640), (30, 728512), (32, 682980), (40, 546384), (48, 455320), (60, 364256), (64, 341490), (80, 273192), (96, 227660), (120, 182128), (128, 170745), (160, 136596), (192, 113830), (240, 91064), (320, 68298), (384, 56915), (480, 45532), (640, 34149), (960, 22766), (1920, 11383)]