21048200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 53568000

約数和(自身を除く): 32519800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 29, 38, 40, 50, 58, 76, 95, 100, 116, 145, 152, 190, 191, 200, 232, 290, 380, 382, 475, 551, 580, 725, 760, 764, 950, 955, 1102, 1160, 1450, 1528, 1900, 1910, 2204, 2755, 2900, 3629, 3800, 3820, 4408, 4775, 5510, 5539, 5800, 7258, 7640, 9550, 11020, 11078, 13775, 14516, 18145, 19100, 22040, 22156, 27550, 27695, 29032, 36290, 38200, 44312, 55100, 55390, 72580, 90725, 105241, 110200, 110780, 138475, 145160, 181450, 210482, 221560, 276950, 362900, 420964, 526205, 553900, 725800, 841928, 1052410, 1107800, 2104820, 2631025, 4209640, 5262050, 10524100, 21048200]

約数ペア:

[(1, 21048200), (2, 10524100), (4, 5262050), (5, 4209640), (8, 2631025), (10, 2104820), (19, 1107800), (20, 1052410), (25, 841928), (29, 725800), (38, 553900), (40, 526205), (50, 420964), (58, 362900), (76, 276950), (95, 221560), (100, 210482), (116, 181450), (145, 145160), (152, 138475), (190, 110780), (191, 110200), (200, 105241), (232, 90725), (290, 72580), (380, 55390), (382, 55100), (475, 44312), (551, 38200), (580, 36290), (725, 29032), (760, 27695), (764, 27550), (950, 22156), (955, 22040), (1102, 19100), (1160, 18145), (1450, 14516), (1528, 13775), (1900, 11078), (1910, 11020), (2204, 9550), (2755, 7640), (2900, 7258), (3629, 5800), (3800, 5539), (3820, 5510), (4408, 4775)]