21708048

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 39359472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 37, 48, 51, 68, 74, 102, 111, 136, 148, 204, 222, 272, 296, 408, 444, 592, 629, 719, 816, 888, 1258, 1438, 1776, 1887, 2157, 2516, 2876, 3774, 4314, 5032, 5752, 7548, 8628, 10064, 11504, 12223, 15096, 17256, 24446, 26603, 30192, 34512, 36669, 48892, 53206, 73338, 79809, 97784, 106412, 146676, 159618, 195568, 212824, 293352, 319236, 425648, 452251, 586704, 638472, 904502, 1276944, 1356753, 1809004, 2713506, 3618008, 5427012, 7236016, 10854024, 21708048]

約数ペア:

[(1, 21708048), (2, 10854024), (3, 7236016), (4, 5427012), (6, 3618008), (8, 2713506), (12, 1809004), (16, 1356753), (17, 1276944), (24, 904502), (34, 638472), (37, 586704), (48, 452251), (51, 425648), (68, 319236), (74, 293352), (102, 212824), (111, 195568), (136, 159618), (148, 146676), (204, 106412), (222, 97784), (272, 79809), (296, 73338), (408, 53206), (444, 48892), (592, 36669), (629, 34512), (719, 30192), (816, 26603), (888, 24446), (1258, 17256), (1438, 15096), (1776, 12223), (1887, 11504), (2157, 10064), (2516, 8628), (2876, 7548), (3774, 5752), (4314, 5032)]