21973140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5813}}^1$

素因数の和:5838

約数の個数: 96

約数和(自身を含む): 78140160

約数和(自身を除く): 56167020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5813, 11626, 17439, 23252, 29065, 34878, 40691, 52317, 58130, 69756, 81382, 87195, 104634, 116260, 122073, 156951, 162764, 174390, 203455, 209268, 244146, 261585, 313902, 348780, 366219, 406910, 488292, 523170, 610365, 627804, 732438, 784755, 813820, 1046340, 1098657, 1220730, 1464876, 1569510, 1831095, 2197314, 2441460, 3139020, 3662190, 4394628, 5493285, 7324380, 10986570, 21973140]

約数ペア:

[(1, 21973140), (2, 10986570), (3, 7324380), (4, 5493285), (5, 4394628), (6, 3662190), (7, 3139020), (9, 2441460), (10, 2197314), (12, 1831095), (14, 1569510), (15, 1464876), (18, 1220730), (20, 1098657), (21, 1046340), (27, 813820), (28, 784755), (30, 732438), (35, 627804), (36, 610365), (42, 523170), (45, 488292), (54, 406910), (60, 366219), (63, 348780), (70, 313902), (84, 261585), (90, 244146), (105, 209268), (108, 203455), (126, 174390), (135, 162764), (140, 156951), (180, 122073), (189, 116260), (210, 104634), (252, 87195), (270, 81382), (315, 69756), (378, 58130), (420, 52317), (540, 40691), (630, 34878), (756, 29065), (945, 23252), (1260, 17439), (1890, 11626), (3780, 5813)]