21542752

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 72

約数和(自身を含む): 53865000

約数和(自身を除く): 32322248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1249, 1568, 2156, 2464, 2498, 4312, 4996, 8624, 8743, 9992, 13739, 17248, 17486, 19984, 27478, 34972, 39968, 54956, 61201, 69944, 96173, 109912, 122402, 139888, 192346, 219824, 244804, 279776, 384692, 439648, 489608, 673211, 769384, 979216, 1346422, 1538768, 1958432, 2692844, 3077536, 5385688, 10771376, 21542752]

約数ペア:

[(1, 21542752), (2, 10771376), (4, 5385688), (7, 3077536), (8, 2692844), (11, 1958432), (14, 1538768), (16, 1346422), (22, 979216), (28, 769384), (32, 673211), (44, 489608), (49, 439648), (56, 384692), (77, 279776), (88, 244804), (98, 219824), (112, 192346), (154, 139888), (176, 122402), (196, 109912), (224, 96173), (308, 69944), (352, 61201), (392, 54956), (539, 39968), (616, 34972), (784, 27478), (1078, 19984), (1232, 17486), (1249, 17248), (1568, 13739), (2156, 9992), (2464, 8743), (2498, 8624), (4312, 4996)]