21541560516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{89137}}^1$

素因数の和:89298

約数の個数: 108

約数和(自身を含む): 63805515228

約数和(自身を除く): 42263954712

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 137, 147, 196, 252, 274, 294, 411, 441, 548, 588, 822, 882, 959, 1233, 1644, 1764, 1918, 2466, 2877, 3836, 4932, 5754, 6713, 8631, 11508, 13426, 17262, 20139, 26852, 34524, 40278, 60417, 80556, 89137, 120834, 178274, 241668, 267411, 356548, 534822, 623959, 802233, 1069644, 1247918, 1604466, 1871877, 2495836, 3208932, 3743754, 4367713, 5615631, 7487508, 8735426, 11231262, 12211769, 13103139, 17470852, 22462524, 24423538, 26206278, 36635307, 39309417, 48847076, 52412556, 73270614, 78618834, 85482383, 109905921, 146541228, 157237668, 170964766, 219811842, 256447149, 341929532, 439623684, 512894298, 598376681, 769341447, 1025788596, 1196753362, 1538682894, 1795130043, 2393506724, 3077365788, 3590260086, 5385390129, 7180520172, 10770780258, 21541560516]

約数ペア:

[(1, 21541560516), (2, 10770780258), (3, 7180520172), (4, 5385390129), (6, 3590260086), (7, 3077365788), (9, 2393506724), (12, 1795130043), (14, 1538682894), (18, 1196753362), (21, 1025788596), (28, 769341447), (36, 598376681), (42, 512894298), (49, 439623684), (63, 341929532), (84, 256447149), (98, 219811842), (126, 170964766), (137, 157237668), (147, 146541228), (196, 109905921), (252, 85482383), (274, 78618834), (294, 73270614), (411, 52412556), (441, 48847076), (548, 39309417), (588, 36635307), (822, 26206278), (882, 24423538), (959, 22462524), (1233, 17470852), (1644, 13103139), (1764, 12211769), (1918, 11231262), (2466, 8735426), (2877, 7487508), (3836, 5615631), (4932, 4367713), (5754, 3743754), (6713, 3208932), (8631, 2495836), (11508, 1871877), (13426, 1604466), (17262, 1247918), (20139, 1069644), (26852, 802233), (34524, 623959), (40278, 534822), (60417, 356548), (80556, 267411), (89137, 241668), (120834, 178274)]