21642642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5923}}^1$

素因数の和:5967

約数の個数: 48

約数和(自身を含む): 55448640

約数和(自身を除く): 33805998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5923, 11846, 17769, 35538, 41461, 53307, 82922, 106614, 124383, 171767, 248766, 343534, 373149, 515301, 746298, 1030602, 1202369, 1545903, 2404738, 3091806, 3607107, 7214214, 10821321, 21642642]

約数ペア:

[(1, 21642642), (2, 10821321), (3, 7214214), (6, 3607107), (7, 3091806), (9, 2404738), (14, 1545903), (18, 1202369), (21, 1030602), (29, 746298), (42, 515301), (58, 373149), (63, 343534), (87, 248766), (126, 171767), (174, 124383), (203, 106614), (261, 82922), (406, 53307), (522, 41461), (609, 35538), (1218, 17769), (1827, 11846), (3654, 5923)]