21301140255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{277847}}^1$

素因数の和:278143

約数の個数: 32

約数和(自身を含む): 36009100800

約数和(自身を除く): 14707960545

約数列:

[1, 3, 5, 15, 19, 57, 95, 269, 285, 807, 1345, 4035, 5111, 15333, 25555, 76665, 277847, 833541, 1389235, 4167705, 5279093, 15837279, 26395465, 74740843, 79186395, 224222529, 373704215, 1121112645, 1420076017, 4260228051, 7100380085, 21301140255]

約数ペア:

[(1, 21301140255), (3, 7100380085), (5, 4260228051), (15, 1420076017), (19, 1121112645), (57, 373704215), (95, 224222529), (269, 79186395), (285, 74740843), (807, 26395465), (1345, 15837279), (4035, 5279093), (5111, 4167705), (15333, 1389235), (25555, 833541), (76665, 277847)]