21004573500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{2081}}^1\times {\mathrm{2243}}^1$

素因数の和:4349

約数の個数: 144

約数和(自身を含む): 66323825568

約数和(自身を除く): 45319252068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2081, 2243, 2250, 4162, 4486, 4500, 6243, 6729, 8324, 8972, 10405, 11215, 12486, 13458, 18729, 20187, 20810, 22430, 24972, 26916, 31215, 33645, 37458, 40374, 41620, 44860, 52025, 56075, 62430, 67290, 74916, 80748, 93645, 100935, 104050, 112150, 124860, 134580, 156075, 168225, 187290, 201870, 208100, 224300, 260125, 280375, 312150, 336450, 374580, 403740, 468225, 504675, 520250, 560750, 624300, 672900, 780375, 841125, 936450, 1009350, 1040500, 1121500, 1560750, 1682250, 1872900, 2018700, 2341125, 2523375, 3121500, 3364500, 4667683, 4682250, 5046750, 9335366, 9364500, 10093500, 14003049, 18670732, 23338415, 28006098, 42009147, 46676830, 56012196, 70015245, 84018294, 93353660, 116692075, 140030490, 168036588, 210045735, 233384150, 280060980, 350076225, 420091470, 466768300, 583460375, 700152450, 840182940, 1050228675, 1166920750, 1400304900, 1750381125, 2100457350, 2333841500, 3500762250, 4200914700, 5251143375, 7001524500, 10502286750, 21004573500]

約数ペア:

[(1, 21004573500), (2, 10502286750), (3, 7001524500), (4, 5251143375), (5, 4200914700), (6, 3500762250), (9, 2333841500), (10, 2100457350), (12, 1750381125), (15, 1400304900), (18, 1166920750), (20, 1050228675), (25, 840182940), (30, 700152450), (36, 583460375), (45, 466768300), (50, 420091470), (60, 350076225), (75, 280060980), (90, 233384150), (100, 210045735), (125, 168036588), (150, 140030490), (180, 116692075), (225, 93353660), (250, 84018294), (300, 70015245), (375, 56012196), (450, 46676830), (500, 42009147), (750, 28006098), (900, 23338415), (1125, 18670732), (1500, 14003049), (2081, 10093500), (2243, 9364500), (2250, 9335366), (4162, 5046750), (4486, 4682250), (4500, 4667683), (6243, 3364500), (6729, 3121500), (8324, 2523375), (8972, 2341125), (10405, 2018700), (11215, 1872900), (12486, 1682250), (13458, 1560750), (18729, 1121500), (20187, 1040500), (20810, 1009350), (22430, 936450), (24972, 841125), (26916, 780375), (31215, 672900), (33645, 624300), (37458, 560750), (40374, 520250), (41620, 504675), (44860, 468225), (52025, 403740), (56075, 374580), (62430, 336450), (67290, 312150), (74916, 280375), (80748, 260125), (93645, 224300), (100935, 208100), (104050, 201870), (112150, 187290), (124860, 168225), (134580, 156075)]