21104070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 55629504

約数和(自身を除く): 34525434

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1021, 1378, 1590, 2042, 2067, 3063, 3445, 4134, 5105, 6126, 6890, 10210, 10335, 13273, 15315, 20670, 26546, 30630, 39819, 54113, 66365, 79638, 108226, 132730, 162339, 199095, 270565, 324678, 398190, 541130, 703469, 811695, 1406938, 1623390, 2110407, 3517345, 4220814, 7034690, 10552035, 21104070]

約数ペア:

[(1, 21104070), (2, 10552035), (3, 7034690), (5, 4220814), (6, 3517345), (10, 2110407), (13, 1623390), (15, 1406938), (26, 811695), (30, 703469), (39, 541130), (53, 398190), (65, 324678), (78, 270565), (106, 199095), (130, 162339), (159, 132730), (195, 108226), (265, 79638), (318, 66365), (390, 54113), (530, 39819), (689, 30630), (795, 26546), (1021, 20670), (1378, 15315), (1590, 13273), (2042, 10335), (2067, 10210), (3063, 6890), (3445, 6126), (4134, 5105)]