21546950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 43397520

約数和(自身を除く): 21850570

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 185, 190, 370, 475, 613, 703, 925, 950, 1226, 1406, 1850, 3065, 3515, 6130, 7030, 11647, 15325, 17575, 22681, 23294, 30650, 35150, 45362, 58235, 113405, 116470, 226810, 291175, 430939, 567025, 582350, 861878, 1134050, 2154695, 4309390, 10773475, 21546950]

約数ペア:

[(1, 21546950), (2, 10773475), (5, 4309390), (10, 2154695), (19, 1134050), (25, 861878), (37, 582350), (38, 567025), (50, 430939), (74, 291175), (95, 226810), (185, 116470), (190, 113405), (370, 58235), (475, 45362), (613, 35150), (703, 30650), (925, 23294), (950, 22681), (1226, 17575), (1406, 15325), (1850, 11647), (3065, 7030), (3515, 6130)]