21052950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35193450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 83, 89, 95, 114, 150, 166, 178, 190, 249, 267, 285, 415, 445, 475, 498, 534, 570, 830, 890, 950, 1245, 1335, 1425, 1577, 1691, 2075, 2225, 2490, 2670, 2850, 3154, 3382, 4150, 4450, 4731, 5073, 6225, 6675, 7387, 7885, 8455, 9462, 10146, 12450, 13350, 14774, 15770, 16910, 22161, 23655, 25365, 36935, 39425, 42275, 44322, 47310, 50730, 73870, 78850, 84550, 110805, 118275, 126825, 140353, 184675, 221610, 236550, 253650, 280706, 369350, 421059, 554025, 701765, 842118, 1108050, 1403530, 2105295, 3508825, 4210590, 7017650, 10526475, 21052950]

約数ペア:

[(1, 21052950), (2, 10526475), (3, 7017650), (5, 4210590), (6, 3508825), (10, 2105295), (15, 1403530), (19, 1108050), (25, 842118), (30, 701765), (38, 554025), (50, 421059), (57, 369350), (75, 280706), (83, 253650), (89, 236550), (95, 221610), (114, 184675), (150, 140353), (166, 126825), (178, 118275), (190, 110805), (249, 84550), (267, 78850), (285, 73870), (415, 50730), (445, 47310), (475, 44322), (498, 42275), (534, 39425), (570, 36935), (830, 25365), (890, 23655), (950, 22161), (1245, 16910), (1335, 15770), (1425, 14774), (1577, 13350), (1691, 12450), (2075, 10146), (2225, 9462), (2490, 8455), (2670, 7885), (2850, 7387), (3154, 6675), (3382, 6225), (4150, 5073), (4450, 4731)]