21263668972

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4603}}^1$

素因数の和:4685

約数の個数: 120

約数和(自身を含む): 48023974096

約数和(自身を除く): 26760305124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 343, 364, 481, 518, 637, 686, 962, 1036, 1274, 1372, 1813, 1924, 2401, 2548, 3367, 3626, 4459, 4603, 4802, 6734, 7252, 8918, 9206, 9604, 12691, 13468, 17836, 18412, 23569, 25382, 31213, 32221, 47138, 50764, 59839, 62426, 64442, 88837, 94276, 119678, 124852, 128884, 164983, 170311, 177674, 225547, 239356, 329966, 340622, 355348, 418873, 451094, 659932, 681244, 837746, 902188, 1154881, 1192177, 1578829, 1675492, 2214043, 2309762, 2384354, 2932111, 3157658, 4428086, 4619524, 4768708, 5864222, 6315316, 8345239, 8856172, 11051803, 11728444, 15498301, 16690478, 20524777, 22103606, 30996602, 33380956, 41049554, 44207212, 58416673, 61993204, 82099108, 108488107, 116833346, 143673439, 216976214, 233666692, 287346878, 408916711, 433952428, 574693756, 759416749, 817833422, 1518833498, 1635666844, 3037666996, 5315917243, 10631834486, 21263668972]

約数ペア:

[(1, 21263668972), (2, 10631834486), (4, 5315917243), (7, 3037666996), (13, 1635666844), (14, 1518833498), (26, 817833422), (28, 759416749), (37, 574693756), (49, 433952428), (52, 408916711), (74, 287346878), (91, 233666692), (98, 216976214), (148, 143673439), (182, 116833346), (196, 108488107), (259, 82099108), (343, 61993204), (364, 58416673), (481, 44207212), (518, 41049554), (637, 33380956), (686, 30996602), (962, 22103606), (1036, 20524777), (1274, 16690478), (1372, 15498301), (1813, 11728444), (1924, 11051803), (2401, 8856172), (2548, 8345239), (3367, 6315316), (3626, 5864222), (4459, 4768708), (4603, 4619524), (4802, 4428086), (6734, 3157658), (7252, 2932111), (8918, 2384354), (9206, 2309762), (9604, 2214043), (12691, 1675492), (13468, 1578829), (17836, 1192177), (18412, 1154881), (23569, 902188), (25382, 837746), (31213, 681244), (32221, 659932), (47138, 451094), (50764, 418873), (59839, 355348), (62426, 340622), (64442, 329966), (88837, 239356), (94276, 225547), (119678, 177674), (124852, 170311), (128884, 164983)]