21902118

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 33255642

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 49, 69, 79, 82, 98, 123, 138, 147, 158, 161, 237, 246, 287, 294, 322, 474, 483, 553, 574, 861, 943, 966, 1106, 1127, 1659, 1722, 1817, 1886, 2009, 2254, 2829, 3239, 3318, 3381, 3634, 3871, 4018, 5451, 5658, 6027, 6478, 6601, 6762, 7742, 9717, 10902, 11613, 12054, 12719, 13202, 19434, 19803, 22673, 23226, 25438, 38157, 39606, 45346, 46207, 68019, 74497, 76314, 89033, 92414, 136038, 138621, 148994, 158711, 178066, 223491, 267099, 277242, 317422, 446982, 476133, 521479, 534198, 952266, 1042958, 1564437, 3128874, 3650353, 7300706, 10951059, 21902118]

約数ペア:

[(1, 21902118), (2, 10951059), (3, 7300706), (6, 3650353), (7, 3128874), (14, 1564437), (21, 1042958), (23, 952266), (41, 534198), (42, 521479), (46, 476133), (49, 446982), (69, 317422), (79, 277242), (82, 267099), (98, 223491), (123, 178066), (138, 158711), (147, 148994), (158, 138621), (161, 136038), (237, 92414), (246, 89033), (287, 76314), (294, 74497), (322, 68019), (474, 46207), (483, 45346), (553, 39606), (574, 38157), (861, 25438), (943, 23226), (966, 22673), (1106, 19803), (1127, 19434), (1659, 13202), (1722, 12719), (1817, 12054), (1886, 11613), (2009, 10902), (2254, 9717), (2829, 7742), (3239, 6762), (3318, 6601), (3381, 6478), (3634, 6027), (3871, 5658), (4018, 5451)]