21418133090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3863}}^1\times {\mathrm{13523}}^1$

素因数の和:17434

約数の個数: 32

約数和(自身を含む): 39506092416

約数和(自身を除く): 18087959326

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 3863, 7726, 13523, 19315, 27046, 38630, 67615, 135230, 158383, 316766, 554443, 791915, 1108886, 1583830, 2772215, 5544430, 52239349, 104478698, 261196745, 522393490, 2141813309, 4283626618, 10709066545, 21418133090]

約数ペア:

[(1, 21418133090), (2, 10709066545), (5, 4283626618), (10, 2141813309), (41, 522393490), (82, 261196745), (205, 104478698), (410, 52239349), (3863, 5544430), (7726, 2772215), (13523, 1583830), (19315, 1108886), (27046, 791915), (38630, 554443), (67615, 316766), (135230, 158383)]