21107898

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 35340102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2939, 3591, 5878, 7182, 8817, 17634, 20573, 26451, 41146, 52902, 55841, 61719, 79353, 111682, 123438, 158706, 167523, 185157, 335046, 370314, 390887, 502569, 555471, 781774, 1005138, 1110942, 1172661, 1507707, 2345322, 3015414, 3517983, 7035966, 10553949, 21107898]

約数ペア:

[(1, 21107898), (2, 10553949), (3, 7035966), (6, 3517983), (7, 3015414), (9, 2345322), (14, 1507707), (18, 1172661), (19, 1110942), (21, 1005138), (27, 781774), (38, 555471), (42, 502569), (54, 390887), (57, 370314), (63, 335046), (114, 185157), (126, 167523), (133, 158706), (171, 123438), (189, 111682), (266, 79353), (342, 61719), (378, 55841), (399, 52902), (513, 41146), (798, 26451), (1026, 20573), (1197, 17634), (2394, 8817), (2939, 7182), (3591, 5878)]