21450050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 42750240

約数和(自身を除く): 21300190

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 67, 95, 134, 190, 335, 337, 475, 670, 674, 950, 1273, 1675, 1685, 2546, 3350, 3370, 6365, 6403, 8425, 12730, 12806, 16850, 22579, 31825, 32015, 45158, 63650, 64030, 112895, 160075, 225790, 320150, 429001, 564475, 858002, 1128950, 2145005, 4290010, 10725025, 21450050]

約数ペア:

[(1, 21450050), (2, 10725025), (5, 4290010), (10, 2145005), (19, 1128950), (25, 858002), (38, 564475), (50, 429001), (67, 320150), (95, 225790), (134, 160075), (190, 112895), (335, 64030), (337, 63650), (475, 45158), (670, 32015), (674, 31825), (950, 22579), (1273, 16850), (1675, 12806), (1685, 12730), (2546, 8425), (3350, 6403), (3370, 6365)]