21568663144

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1\times {\mathrm{4507}}^1$

素因数の和:5498

約数の個数: 64

約数和(自身を含む): 46758418560

約数和(自身を除く): 25189755416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 881, 1358, 1762, 2716, 3524, 4507, 5432, 6167, 7048, 9014, 12334, 18028, 24668, 31549, 36056, 49336, 63098, 85457, 126196, 170914, 252392, 341828, 437179, 598199, 683656, 874358, 1196398, 1748716, 2392796, 3060253, 3497432, 3970667, 4785592, 6120506, 7941334, 12241012, 15882668, 24482024, 27794669, 31765336, 55589338, 111178676, 222357352, 385154699, 770309398, 1540618796, 2696082893, 3081237592, 5392165786, 10784331572, 21568663144]

約数ペア:

[(1, 21568663144), (2, 10784331572), (4, 5392165786), (7, 3081237592), (8, 2696082893), (14, 1540618796), (28, 770309398), (56, 385154699), (97, 222357352), (194, 111178676), (388, 55589338), (679, 31765336), (776, 27794669), (881, 24482024), (1358, 15882668), (1762, 12241012), (2716, 7941334), (3524, 6120506), (4507, 4785592), (5432, 3970667), (6167, 3497432), (7048, 3060253), (9014, 2392796), (12334, 1748716), (18028, 1196398), (24668, 874358), (31549, 683656), (36056, 598199), (49336, 437179), (63098, 341828), (85457, 252392), (126196, 170914)]