21698586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1060

約数の個数: 72

約数和(自身を含む): 58237920

約数和(自身を除く): 36539334

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1014, 1019, 1183, 1521, 1638, 2038, 2366, 3042, 3057, 3549, 6114, 7098, 7133, 9171, 10647, 13247, 14266, 18342, 21294, 21399, 26494, 39741, 42798, 64197, 79482, 92729, 119223, 128394, 172211, 185458, 238446, 278187, 344422, 516633, 556374, 834561, 1033266, 1205477, 1549899, 1669122, 2410954, 3099798, 3616431, 7232862, 10849293, 21698586]

約数ペア:

[(1, 21698586), (2, 10849293), (3, 7232862), (6, 3616431), (7, 3099798), (9, 2410954), (13, 1669122), (14, 1549899), (18, 1205477), (21, 1033266), (26, 834561), (39, 556374), (42, 516633), (63, 344422), (78, 278187), (91, 238446), (117, 185458), (126, 172211), (169, 128394), (182, 119223), (234, 92729), (273, 79482), (338, 64197), (507, 42798), (546, 39741), (819, 26494), (1014, 21399), (1019, 21294), (1183, 18342), (1521, 14266), (1638, 13247), (2038, 10647), (2366, 9171), (3042, 7133), (3057, 7098), (3549, 6114)]