21663045

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 39334680

約数和(自身を除く): 17671635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 601, 801, 1335, 1803, 2403, 3005, 4005, 5409, 7209, 9015, 12015, 16227, 27045, 36045, 48681, 53489, 81135, 160467, 243405, 267445, 481401, 802335, 1444203, 2407005, 4332609, 7221015, 21663045]

約数ペア:

[(1, 21663045), (3, 7221015), (5, 4332609), (9, 2407005), (15, 1444203), (27, 802335), (45, 481401), (81, 267445), (89, 243405), (135, 160467), (267, 81135), (405, 53489), (445, 48681), (601, 36045), (801, 27045), (1335, 16227), (1803, 12015), (2403, 9015), (3005, 7209), (4005, 5409)]