21074760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8363}}^1$

素因数の和:8387

約数の個数: 96

約数和(自身を含む): 78287040

約数和(自身を除く): 57212280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8363, 16726, 25089, 33452, 41815, 50178, 58541, 66904, 75267, 83630, 100356, 117082, 125445, 150534, 167260, 175623, 200712, 234164, 250890, 292705, 301068, 334520, 351246, 376335, 468328, 501780, 526869, 585410, 602136, 702492, 752670, 878115, 1003560, 1053738, 1170820, 1404984, 1505340, 1756230, 2107476, 2341640, 2634345, 3010680, 3512460, 4214952, 5268690, 7024920, 10537380, 21074760]

約数ペア:

[(1, 21074760), (2, 10537380), (3, 7024920), (4, 5268690), (5, 4214952), (6, 3512460), (7, 3010680), (8, 2634345), (9, 2341640), (10, 2107476), (12, 1756230), (14, 1505340), (15, 1404984), (18, 1170820), (20, 1053738), (21, 1003560), (24, 878115), (28, 752670), (30, 702492), (35, 602136), (36, 585410), (40, 526869), (42, 501780), (45, 468328), (56, 376335), (60, 351246), (63, 334520), (70, 301068), (72, 292705), (84, 250890), (90, 234164), (105, 200712), (120, 175623), (126, 167260), (140, 150534), (168, 125445), (180, 117082), (210, 100356), (252, 83630), (280, 75267), (315, 66904), (360, 58541), (420, 50178), (504, 41815), (630, 33452), (840, 25089), (1260, 16726), (2520, 8363)]