21953976

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 38456904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 137, 264, 274, 411, 548, 607, 822, 1096, 1214, 1507, 1644, 1821, 2428, 3014, 3288, 3642, 4521, 4856, 6028, 6677, 7284, 9042, 12056, 13354, 14568, 18084, 20031, 26708, 36168, 40062, 53416, 80124, 83159, 160248, 166318, 249477, 332636, 498954, 665272, 914749, 997908, 1829498, 1995816, 2744247, 3658996, 5488494, 7317992, 10976988, 21953976]

約数ペア:

[(1, 21953976), (2, 10976988), (3, 7317992), (4, 5488494), (6, 3658996), (8, 2744247), (11, 1995816), (12, 1829498), (22, 997908), (24, 914749), (33, 665272), (44, 498954), (66, 332636), (88, 249477), (132, 166318), (137, 160248), (264, 83159), (274, 80124), (411, 53416), (548, 40062), (607, 36168), (822, 26708), (1096, 20031), (1214, 18084), (1507, 14568), (1644, 13354), (1821, 12056), (2428, 9042), (3014, 7284), (3288, 6677), (3642, 6028), (4521, 4856)]