21485024672

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{9967}}^1$

素因数の和:10102

約数の個数: 96

約数和(自身を含む): 45576566784

約数和(自身を除く): 24091542112

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 53, 62, 82, 106, 124, 164, 212, 248, 328, 424, 496, 656, 848, 992, 1271, 1312, 1643, 1696, 2173, 2542, 3286, 4346, 5084, 6572, 8692, 9967, 10168, 13144, 17384, 19934, 20336, 26288, 34768, 39868, 40672, 52576, 67363, 69536, 79736, 134726, 159472, 269452, 308977, 318944, 408647, 528251, 538904, 617954, 817294, 1056502, 1077808, 1235908, 1634588, 2113004, 2155616, 2471816, 3269176, 4226008, 4943632, 6538352, 8452016, 9887264, 12668057, 13076704, 16375781, 16904032, 21658291, 25336114, 32751562, 43316582, 50672228, 65503124, 86633164, 101344456, 131006248, 173266328, 202688912, 262012496, 346532656, 405377824, 524024992, 671407021, 693065312, 1342814042, 2685628084, 5371256168, 10742512336, 21485024672]

約数ペア:

[(1, 21485024672), (2, 10742512336), (4, 5371256168), (8, 2685628084), (16, 1342814042), (31, 693065312), (32, 671407021), (41, 524024992), (53, 405377824), (62, 346532656), (82, 262012496), (106, 202688912), (124, 173266328), (164, 131006248), (212, 101344456), (248, 86633164), (328, 65503124), (424, 50672228), (496, 43316582), (656, 32751562), (848, 25336114), (992, 21658291), (1271, 16904032), (1312, 16375781), (1643, 13076704), (1696, 12668057), (2173, 9887264), (2542, 8452016), (3286, 6538352), (4346, 4943632), (5084, 4226008), (6572, 3269176), (8692, 2471816), (9967, 2155616), (10168, 2113004), (13144, 1634588), (17384, 1235908), (19934, 1077808), (20336, 1056502), (26288, 817294), (34768, 617954), (39868, 538904), (40672, 528251), (52576, 408647), (67363, 318944), (69536, 308977), (79736, 269452), (134726, 159472)]