21437208

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 64318800

約数和(自身を除く): 42881592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 619, 666, 888, 936, 962, 1238, 1332, 1443, 1857, 1924, 2476, 2664, 2886, 3714, 3848, 4329, 4952, 5571, 5772, 7428, 8047, 8658, 11142, 11544, 14856, 16094, 17316, 22284, 22903, 24141, 32188, 34632, 44568, 45806, 48282, 64376, 68709, 72423, 91612, 96564, 137418, 144846, 183224, 193128, 206127, 274836, 289692, 297739, 412254, 549672, 579384, 595478, 824508, 893217, 1190956, 1649016, 1786434, 2381912, 2679651, 3572868, 5359302, 7145736, 10718604, 21437208]

約数ペア:

[(1, 21437208), (2, 10718604), (3, 7145736), (4, 5359302), (6, 3572868), (8, 2679651), (9, 2381912), (12, 1786434), (13, 1649016), (18, 1190956), (24, 893217), (26, 824508), (36, 595478), (37, 579384), (39, 549672), (52, 412254), (72, 297739), (74, 289692), (78, 274836), (104, 206127), (111, 193128), (117, 183224), (148, 144846), (156, 137418), (222, 96564), (234, 91612), (296, 72423), (312, 68709), (333, 64376), (444, 48282), (468, 45806), (481, 44568), (619, 34632), (666, 32188), (888, 24141), (936, 22903), (962, 22284), (1238, 17316), (1332, 16094), (1443, 14856), (1857, 11544), (1924, 11142), (2476, 8658), (2664, 8047), (2886, 7428), (3714, 5772), (3848, 5571), (4329, 4952)]