21575610

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1532

約数の個数: 96

約数和(自身を含む): 66942720

約数和(自身を除く): 45367110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1489, 1610, 2070, 2415, 2898, 2978, 4467, 4830, 7245, 7445, 8934, 10423, 13401, 14490, 14890, 20846, 22335, 26802, 31269, 34247, 44670, 52115, 62538, 67005, 68494, 93807, 102741, 104230, 134010, 156345, 171235, 187614, 205482, 239729, 308223, 312690, 342470, 469035, 479458, 513705, 616446, 719187, 938070, 1027410, 1198645, 1438374, 1541115, 2157561, 2397290, 3082230, 3595935, 4315122, 7191870, 10787805, 21575610]

約数ペア:

[(1, 21575610), (2, 10787805), (3, 7191870), (5, 4315122), (6, 3595935), (7, 3082230), (9, 2397290), (10, 2157561), (14, 1541115), (15, 1438374), (18, 1198645), (21, 1027410), (23, 938070), (30, 719187), (35, 616446), (42, 513705), (45, 479458), (46, 469035), (63, 342470), (69, 312690), (70, 308223), (90, 239729), (105, 205482), (115, 187614), (126, 171235), (138, 156345), (161, 134010), (207, 104230), (210, 102741), (230, 93807), (315, 68494), (322, 67005), (345, 62538), (414, 52115), (483, 44670), (630, 34247), (690, 31269), (805, 26802), (966, 22335), (1035, 20846), (1449, 14890), (1489, 14490), (1610, 13401), (2070, 10423), (2415, 8934), (2898, 7445), (2978, 7245), (4467, 4830)]