21765450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1132

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 43230390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 1050, 1091, 1330, 1425, 1995, 2182, 2850, 3273, 3325, 3990, 5455, 6546, 6650, 7637, 9975, 10910, 15274, 16365, 19950, 20729, 22911, 27275, 32730, 38185, 41458, 45822, 54550, 62187, 76370, 81825, 103645, 114555, 124374, 145103, 163650, 190925, 207290, 229110, 290206, 310935, 381850, 435309, 518225, 572775, 621870, 725515, 870618, 1036450, 1145550, 1451030, 1554675, 2176545, 3109350, 3627575, 4353090, 7255150, 10882725, 21765450]

約数ペア:

[(1, 21765450), (2, 10882725), (3, 7255150), (5, 4353090), (6, 3627575), (7, 3109350), (10, 2176545), (14, 1554675), (15, 1451030), (19, 1145550), (21, 1036450), (25, 870618), (30, 725515), (35, 621870), (38, 572775), (42, 518225), (50, 435309), (57, 381850), (70, 310935), (75, 290206), (95, 229110), (105, 207290), (114, 190925), (133, 163650), (150, 145103), (175, 124374), (190, 114555), (210, 103645), (266, 81825), (285, 76370), (350, 62187), (399, 54550), (475, 45822), (525, 41458), (570, 38185), (665, 32730), (798, 27275), (950, 22911), (1050, 20729), (1091, 19950), (1330, 16365), (1425, 15274), (1995, 10910), (2182, 9975), (2850, 7637), (3273, 6650), (3325, 6546), (3990, 5455)]