21069516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 53399808

約数和(自身を除く): 32330292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1031, 1572, 1703, 2062, 3093, 3406, 4124, 5109, 6186, 6812, 10218, 12372, 13403, 20436, 26806, 40209, 53612, 80418, 135061, 160836, 270122, 405183, 540244, 810366, 1620732, 1755793, 3511586, 5267379, 7023172, 10534758, 21069516]

約数ペア:

[(1, 21069516), (2, 10534758), (3, 7023172), (4, 5267379), (6, 3511586), (12, 1755793), (13, 1620732), (26, 810366), (39, 540244), (52, 405183), (78, 270122), (131, 160836), (156, 135061), (262, 80418), (393, 53612), (524, 40209), (786, 26806), (1031, 20436), (1572, 13403), (1703, 12372), (2062, 10218), (3093, 6812), (3406, 6186), (4124, 5109)]