21105888084

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{2791}}^1\times {\mathrm{9133}}^1$

素因数の和:11957

約数の個数: 72

約数和(自身を含む): 55696647552

約数和(自身を除く): 34590759468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 2791, 5582, 8373, 9133, 11164, 16746, 18266, 25119, 27399, 33492, 36532, 50238, 54798, 64193, 82197, 100476, 109596, 128386, 164394, 192579, 210059, 256772, 328788, 385158, 420118, 577737, 630177, 770316, 840236, 1155474, 1260354, 1890531, 2310948, 2520708, 3781062, 7562124, 25490203, 50980406, 76470609, 101960812, 152941218, 229411827, 305882436, 458823654, 586274669, 917647308, 1172549338, 1758824007, 2345098676, 3517648014, 5276472021, 7035296028, 10552944042, 21105888084]

約数ペア:

[(1, 21105888084), (2, 10552944042), (3, 7035296028), (4, 5276472021), (6, 3517648014), (9, 2345098676), (12, 1758824007), (18, 1172549338), (23, 917647308), (36, 586274669), (46, 458823654), (69, 305882436), (92, 229411827), (138, 152941218), (207, 101960812), (276, 76470609), (414, 50980406), (828, 25490203), (2791, 7562124), (5582, 3781062), (8373, 2520708), (9133, 2310948), (11164, 1890531), (16746, 1260354), (18266, 1155474), (25119, 840236), (27399, 770316), (33492, 630177), (36532, 577737), (50238, 420118), (54798, 385158), (64193, 328788), (82197, 256772), (100476, 210059), (109596, 192579), (128386, 164394)]