21797190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5153}}^1$

素因数の和:5213

約数の個数: 48

約数和(自身を含む): 57889728

約数和(自身を除く): 36092538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 5153, 10306, 15459, 25765, 30918, 46377, 51530, 77295, 92754, 154590, 231885, 242191, 463770, 484382, 726573, 1210955, 1453146, 2179719, 2421910, 3632865, 4359438, 7265730, 10898595, 21797190]

約数ペア:

[(1, 21797190), (2, 10898595), (3, 7265730), (5, 4359438), (6, 3632865), (9, 2421910), (10, 2179719), (15, 1453146), (18, 1210955), (30, 726573), (45, 484382), (47, 463770), (90, 242191), (94, 231885), (141, 154590), (235, 92754), (282, 77295), (423, 51530), (470, 46377), (705, 30918), (846, 25765), (1410, 15459), (2115, 10306), (4230, 5153)]