21014724255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{7901}}^1$

素因数の和:8336

約数の個数: 64

約数和(自身を含む): 39070522368

約数和(自身を除く): 18055798113

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 347, 365, 511, 1041, 1095, 1533, 1735, 2429, 2555, 5205, 7287, 7665, 7901, 12145, 23703, 25331, 36435, 39505, 55307, 75993, 118515, 126655, 165921, 177317, 276535, 379965, 531951, 576773, 829605, 886585, 1730319, 2659755, 2741647, 2883865, 4037411, 8224941, 8651595, 12112233, 13708235, 19191529, 20187055, 41124705, 57574587, 60561165, 95957645, 200140231, 287872935, 600420693, 1000701155, 1400981617, 3002103465, 4202944851, 7004908085, 21014724255]

約数ペア:

[(1, 21014724255), (3, 7004908085), (5, 4202944851), (7, 3002103465), (15, 1400981617), (21, 1000701155), (35, 600420693), (73, 287872935), (105, 200140231), (219, 95957645), (347, 60561165), (365, 57574587), (511, 41124705), (1041, 20187055), (1095, 19191529), (1533, 13708235), (1735, 12112233), (2429, 8651595), (2555, 8224941), (5205, 4037411), (7287, 2883865), (7665, 2741647), (7901, 2659755), (12145, 1730319), (23703, 886585), (25331, 829605), (36435, 576773), (39505, 531951), (55307, 379965), (75993, 276535), (118515, 177317), (126655, 165921)]