21849570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242773}}^1$

素因数の和:242786

約数の個数: 24

約数和(自身を含む): 56809116

約数和(自身を除く): 34959546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242773, 485546, 728319, 1213865, 1456638, 2184957, 2427730, 3641595, 4369914, 7283190, 10924785, 21849570]

約数ペア:

[(1, 21849570), (2, 10924785), (3, 7283190), (5, 4369914), (6, 3641595), (9, 2427730), (10, 2184957), (15, 1456638), (18, 1213865), (30, 728319), (45, 485546), (90, 242773)]