21340550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 51853824

約数和(自身を除く): 30513274

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 50, 55, 70, 77, 110, 115, 154, 161, 175, 230, 241, 253, 275, 322, 350, 385, 482, 506, 550, 575, 770, 805, 1150, 1205, 1265, 1610, 1687, 1771, 1925, 2410, 2530, 2651, 3374, 3542, 3850, 4025, 5302, 5543, 6025, 6325, 8050, 8435, 8855, 11086, 12050, 12650, 13255, 16870, 17710, 18557, 26510, 27715, 37114, 38801, 42175, 44275, 55430, 60973, 66275, 77602, 84350, 88550, 92785, 121946, 132550, 138575, 185570, 194005, 277150, 304865, 388010, 426811, 463925, 609730, 853622, 927850, 970025, 1524325, 1940050, 2134055, 3048650, 4268110, 10670275, 21340550]

約数ペア:

[(1, 21340550), (2, 10670275), (5, 4268110), (7, 3048650), (10, 2134055), (11, 1940050), (14, 1524325), (22, 970025), (23, 927850), (25, 853622), (35, 609730), (46, 463925), (50, 426811), (55, 388010), (70, 304865), (77, 277150), (110, 194005), (115, 185570), (154, 138575), (161, 132550), (175, 121946), (230, 92785), (241, 88550), (253, 84350), (275, 77602), (322, 66275), (350, 60973), (385, 55430), (482, 44275), (506, 42175), (550, 38801), (575, 37114), (770, 27715), (805, 26510), (1150, 18557), (1205, 17710), (1265, 16870), (1610, 13255), (1687, 12650), (1771, 12050), (1925, 11086), (2410, 8855), (2530, 8435), (2651, 8050), (3374, 6325), (3542, 6025), (3850, 5543), (4025, 5302)]