21232785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 42393600

約数和(自身を除く): 21160815

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 285, 367, 399, 435, 551, 609, 665, 1015, 1101, 1653, 1835, 1995, 2569, 2755, 3045, 3857, 5505, 6973, 7707, 8265, 10643, 11571, 12845, 19285, 20919, 31929, 34865, 38535, 48811, 53215, 57855, 74501, 104595, 146433, 159645, 202217, 223503, 244055, 372505, 606651, 732165, 1011085, 1117515, 1415519, 3033255, 4246557, 7077595, 21232785]

約数ペア:

[(1, 21232785), (3, 7077595), (5, 4246557), (7, 3033255), (15, 1415519), (19, 1117515), (21, 1011085), (29, 732165), (35, 606651), (57, 372505), (87, 244055), (95, 223503), (105, 202217), (133, 159645), (145, 146433), (203, 104595), (285, 74501), (367, 57855), (399, 53215), (435, 48811), (551, 38535), (609, 34865), (665, 31929), (1015, 20919), (1101, 19285), (1653, 12845), (1835, 11571), (1995, 10643), (2569, 8265), (2755, 7707), (3045, 6973), (3857, 5505)]