2021195908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 4002324480

約数和(自身を除く): 1981128572

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 71, 76, 86, 124, 142, 172, 281, 284, 562, 589, 817, 1124, 1178, 1333, 1349, 1634, 2201, 2356, 2666, 2698, 3053, 3268, 4402, 5332, 5339, 5396, 6106, 8711, 8804, 10678, 12083, 12212, 17422, 19951, 21356, 24166, 25327, 34844, 39902, 41819, 48332, 50654, 58007, 79804, 83638, 94643, 101308, 116014, 165509, 167276, 189286, 229577, 232028, 331018, 374573, 378572, 379069, 459154, 618481, 662036, 749146, 758138, 857893, 918308, 1236962, 1498292, 1516276, 1715786, 1798217, 2473924, 3431572, 3596434, 7116887, 7192868, 11751139, 14233774, 16299967, 23502278, 26594683, 28467548, 32599934, 47004556, 53189366, 65199868, 106378732, 505298977, 1010597954, 2021195908]

約数ペア:

[(1, 2021195908), (2, 1010597954), (4, 505298977), (19, 106378732), (31, 65199868), (38, 53189366), (43, 47004556), (62, 32599934), (71, 28467548), (76, 26594683), (86, 23502278), (124, 16299967), (142, 14233774), (172, 11751139), (281, 7192868), (284, 7116887), (562, 3596434), (589, 3431572), (817, 2473924), (1124, 1798217), (1178, 1715786), (1333, 1516276), (1349, 1498292), (1634, 1236962), (2201, 918308), (2356, 857893), (2666, 758138), (2698, 749146), (3053, 662036), (3268, 618481), (4402, 459154), (5332, 379069), (5339, 378572), (5396, 374573), (6106, 331018), (8711, 232028), (8804, 229577), (10678, 189286), (12083, 167276), (12212, 165509), (17422, 116014), (19951, 101308), (21356, 94643), (24166, 83638), (25327, 79804), (34844, 58007), (39902, 50654), (41819, 48332)]