21899552

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 23964448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 181, 199, 304, 362, 398, 608, 724, 796, 1448, 1592, 2896, 3184, 3439, 3781, 5792, 6368, 6878, 7562, 13756, 15124, 27512, 30248, 36019, 55024, 60496, 72038, 110048, 120992, 144076, 288152, 576304, 684361, 1152608, 1368722, 2737444, 5474888, 10949776, 21899552]

約数ペア:

[(1, 21899552), (2, 10949776), (4, 5474888), (8, 2737444), (16, 1368722), (19, 1152608), (32, 684361), (38, 576304), (76, 288152), (152, 144076), (181, 120992), (199, 110048), (304, 72038), (362, 60496), (398, 55024), (608, 36019), (724, 30248), (796, 27512), (1448, 15124), (1592, 13756), (2896, 7562), (3184, 6878), (3439, 6368), (3781, 5792)]