21007029225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3077953}}^1$

素因数の和:3077986

約数の個数: 48

約数和(自身を含む): 42746625152

約数和(自身を除く): 21739595927

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 6825, 3077953, 9233859, 15389765, 21545671, 40013389, 46169295, 64637013, 76948825, 107728355, 120040167, 200066945, 230846475, 280093723, 323185065, 538641775, 600200835, 840281169, 1000334725, 1400468615, 1615925325, 3001004175, 4201405845, 7002343075, 21007029225]

約数ペア:

[(1, 21007029225), (3, 7002343075), (5, 4201405845), (7, 3001004175), (13, 1615925325), (15, 1400468615), (21, 1000334725), (25, 840281169), (35, 600200835), (39, 538641775), (65, 323185065), (75, 280093723), (91, 230846475), (105, 200066945), (175, 120040167), (195, 107728355), (273, 76948825), (325, 64637013), (455, 46169295), (525, 40013389), (975, 21545671), (1365, 15389765), (2275, 9233859), (6825, 3077953)]