21013050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 56157120

約数和(自身を除く): 35144070

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 73, 75, 95, 101, 114, 146, 150, 190, 202, 219, 285, 303, 365, 438, 475, 505, 570, 606, 730, 950, 1010, 1095, 1387, 1425, 1515, 1825, 1919, 2190, 2525, 2774, 2850, 3030, 3650, 3838, 4161, 5050, 5475, 5757, 6935, 7373, 7575, 8322, 9595, 10950, 11514, 13870, 14746, 15150, 19190, 20805, 22119, 28785, 34675, 36865, 41610, 44238, 47975, 57570, 69350, 73730, 95950, 104025, 110595, 140087, 143925, 184325, 208050, 221190, 280174, 287850, 368650, 420261, 552975, 700435, 840522, 1105950, 1400870, 2101305, 3502175, 4202610, 7004350, 10506525, 21013050]

約数ペア:

[(1, 21013050), (2, 10506525), (3, 7004350), (5, 4202610), (6, 3502175), (10, 2101305), (15, 1400870), (19, 1105950), (25, 840522), (30, 700435), (38, 552975), (50, 420261), (57, 368650), (73, 287850), (75, 280174), (95, 221190), (101, 208050), (114, 184325), (146, 143925), (150, 140087), (190, 110595), (202, 104025), (219, 95950), (285, 73730), (303, 69350), (365, 57570), (438, 47975), (475, 44238), (505, 41610), (570, 36865), (606, 34675), (730, 28785), (950, 22119), (1010, 20805), (1095, 19190), (1387, 15150), (1425, 14746), (1515, 13870), (1825, 11514), (1919, 10950), (2190, 9595), (2525, 8322), (2774, 7575), (2850, 7373), (3030, 6935), (3650, 5757), (3838, 5475), (4161, 5050)]