21468447

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 41653248

約数和(自身を除く): 20184801

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2383, 3003, 7149, 9009, 16681, 21447, 26213, 30979, 50043, 78639, 92937, 150129, 183491, 216853, 235917, 278811, 340769, 550473, 650559, 1022307, 1651419, 1951677, 2385383, 3066921, 7156149, 21468447]

約数ペア:

[(1, 21468447), (3, 7156149), (7, 3066921), (9, 2385383), (11, 1951677), (13, 1651419), (21, 1022307), (33, 650559), (39, 550473), (63, 340769), (77, 278811), (91, 235917), (99, 216853), (117, 183491), (143, 150129), (231, 92937), (273, 78639), (429, 50043), (693, 30979), (819, 26213), (1001, 21447), (1287, 16681), (2383, 9009), (3003, 7149)]