21675360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6451}}^1$

素因数の和:6476

約数の個数: 96

約数和(自身を含む): 78043392

約数和(自身を除く): 56368032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6451, 12902, 19353, 25804, 32255, 38706, 45157, 51608, 64510, 77412, 90314, 96765, 103216, 129020, 135471, 154824, 180628, 193530, 206432, 225785, 258040, 270942, 309648, 361256, 387060, 451570, 516080, 541884, 619296, 677355, 722512, 774120, 903140, 1032160, 1083768, 1354710, 1445024, 1548240, 1806280, 2167536, 2709420, 3096480, 3612560, 4335072, 5418840, 7225120, 10837680, 21675360]

約数ペア:

[(1, 21675360), (2, 10837680), (3, 7225120), (4, 5418840), (5, 4335072), (6, 3612560), (7, 3096480), (8, 2709420), (10, 2167536), (12, 1806280), (14, 1548240), (15, 1445024), (16, 1354710), (20, 1083768), (21, 1032160), (24, 903140), (28, 774120), (30, 722512), (32, 677355), (35, 619296), (40, 541884), (42, 516080), (48, 451570), (56, 387060), (60, 361256), (70, 309648), (80, 270942), (84, 258040), (96, 225785), (105, 206432), (112, 193530), (120, 180628), (140, 154824), (160, 135471), (168, 129020), (210, 103216), (224, 96765), (240, 90314), (280, 77412), (336, 64510), (420, 51608), (480, 45157), (560, 38706), (672, 32255), (840, 25804), (1120, 19353), (1680, 12902), (3360, 6451)]