21159684

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2186

約数の個数: 96

約数和(自身を含む): 67549440

約数和(自身を除く): 46389756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2153, 2457, 3276, 4306, 4914, 6459, 8612, 9828, 12918, 15071, 19377, 25836, 27989, 30142, 38754, 45213, 55978, 58131, 60284, 77508, 83967, 90426, 111956, 116262, 135639, 167934, 180852, 195923, 232524, 251901, 271278, 335868, 391846, 406917, 503802, 542556, 587769, 755703, 783692, 813834, 1007604, 1175538, 1511406, 1627668, 1763307, 2351076, 3022812, 3526614, 5289921, 7053228, 10579842, 21159684]

約数ペア:

[(1, 21159684), (2, 10579842), (3, 7053228), (4, 5289921), (6, 3526614), (7, 3022812), (9, 2351076), (12, 1763307), (13, 1627668), (14, 1511406), (18, 1175538), (21, 1007604), (26, 813834), (27, 783692), (28, 755703), (36, 587769), (39, 542556), (42, 503802), (52, 406917), (54, 391846), (63, 335868), (78, 271278), (84, 251901), (91, 232524), (108, 195923), (117, 180852), (126, 167934), (156, 135639), (182, 116262), (189, 111956), (234, 90426), (252, 83967), (273, 77508), (351, 60284), (364, 58131), (378, 55978), (468, 45213), (546, 38754), (702, 30142), (756, 27989), (819, 25836), (1092, 19377), (1404, 15071), (1638, 12918), (2153, 9828), (2457, 8612), (3276, 6459), (4306, 4914)]