21010380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1453}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 59113824

約数和(自身を除く): 38103444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1446, 1453, 2410, 2892, 2906, 3615, 4359, 4820, 5812, 7230, 7265, 8718, 14460, 14530, 17436, 21795, 29060, 43590, 87180, 350173, 700346, 1050519, 1400692, 1750865, 2101038, 3501730, 4202076, 5252595, 7003460, 10505190, 21010380]

約数ペア:

[(1, 21010380), (2, 10505190), (3, 7003460), (4, 5252595), (5, 4202076), (6, 3501730), (10, 2101038), (12, 1750865), (15, 1400692), (20, 1050519), (30, 700346), (60, 350173), (241, 87180), (482, 43590), (723, 29060), (964, 21795), (1205, 17436), (1446, 14530), (1453, 14460), (2410, 8718), (2892, 7265), (2906, 7230), (3615, 5812), (4359, 4820)]