21277592

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 26311528

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 67, 106, 107, 134, 212, 214, 268, 371, 424, 428, 469, 536, 742, 749, 856, 938, 1484, 1498, 1876, 2968, 2996, 3551, 3752, 5671, 5992, 7102, 7169, 11342, 14204, 14338, 22684, 24857, 28408, 28676, 39697, 45368, 49714, 50183, 57352, 79394, 99428, 100366, 158788, 198856, 200732, 317576, 379957, 401464, 759914, 1519828, 2659699, 3039656, 5319398, 10638796, 21277592]

約数ペア:

[(1, 21277592), (2, 10638796), (4, 5319398), (7, 3039656), (8, 2659699), (14, 1519828), (28, 759914), (53, 401464), (56, 379957), (67, 317576), (106, 200732), (107, 198856), (134, 158788), (212, 100366), (214, 99428), (268, 79394), (371, 57352), (424, 50183), (428, 49714), (469, 45368), (536, 39697), (742, 28676), (749, 28408), (856, 24857), (938, 22684), (1484, 14338), (1498, 14204), (1876, 11342), (2968, 7169), (2996, 7102), (3551, 5992), (3752, 5671)]