21775292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 50843520

約数和(自身を除く): 29068228

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 61, 76, 77, 122, 133, 154, 209, 244, 266, 308, 418, 427, 532, 671, 836, 854, 1159, 1342, 1463, 1708, 2318, 2684, 2926, 3721, 4636, 4697, 5852, 7442, 8113, 9394, 12749, 14884, 16226, 18788, 25498, 26047, 32452, 40931, 50996, 52094, 70699, 81862, 89243, 104188, 141398, 163724, 178486, 282796, 286517, 356972, 494893, 573034, 777689, 989786, 1146068, 1555378, 1979572, 3110756, 5443823, 10887646, 21775292]

約数ペア:

[(1, 21775292), (2, 10887646), (4, 5443823), (7, 3110756), (11, 1979572), (14, 1555378), (19, 1146068), (22, 989786), (28, 777689), (38, 573034), (44, 494893), (61, 356972), (76, 286517), (77, 282796), (122, 178486), (133, 163724), (154, 141398), (209, 104188), (244, 89243), (266, 81862), (308, 70699), (418, 52094), (427, 50996), (532, 40931), (671, 32452), (836, 26047), (854, 25498), (1159, 18788), (1342, 16226), (1463, 14884), (1708, 12749), (2318, 9394), (2684, 8113), (2926, 7442), (3721, 5852), (4636, 4697)]