21298056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 59292000

約数和(自身を除く): 37993944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 89, 104, 118, 156, 169, 177, 178, 236, 267, 312, 338, 354, 356, 472, 507, 534, 676, 708, 712, 767, 1014, 1068, 1157, 1352, 1416, 1534, 2028, 2136, 2301, 2314, 3068, 3471, 4056, 4602, 4628, 5251, 6136, 6942, 9204, 9256, 9971, 10502, 13884, 15041, 15753, 18408, 19942, 21004, 27768, 29913, 30082, 31506, 39884, 42008, 45123, 59826, 60164, 63012, 68263, 79768, 90246, 119652, 120328, 126024, 136526, 180492, 204789, 239304, 273052, 360984, 409578, 546104, 819156, 887419, 1638312, 1774838, 2662257, 3549676, 5324514, 7099352, 10649028, 21298056]

約数ペア:

[(1, 21298056), (2, 10649028), (3, 7099352), (4, 5324514), (6, 3549676), (8, 2662257), (12, 1774838), (13, 1638312), (24, 887419), (26, 819156), (39, 546104), (52, 409578), (59, 360984), (78, 273052), (89, 239304), (104, 204789), (118, 180492), (156, 136526), (169, 126024), (177, 120328), (178, 119652), (236, 90246), (267, 79768), (312, 68263), (338, 63012), (354, 60164), (356, 59826), (472, 45123), (507, 42008), (534, 39884), (676, 31506), (708, 30082), (712, 29913), (767, 27768), (1014, 21004), (1068, 19942), (1157, 18408), (1352, 15753), (1416, 15041), (1534, 13884), (2028, 10502), (2136, 9971), (2301, 9256), (2314, 9204), (3068, 6942), (3471, 6136), (4056, 5251), (4602, 4628)]