21995802738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{253367}}^1$

素因数の和:253448

約数の個数: 96

約数和(自身を含む): 59762416896

約数和(自身を除く): 37766614158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 53, 63, 78, 91, 106, 117, 126, 159, 182, 234, 273, 318, 371, 477, 546, 689, 742, 819, 954, 1113, 1378, 1638, 2067, 2226, 3339, 4134, 4823, 6201, 6678, 9646, 12402, 14469, 28938, 43407, 86814, 253367, 506734, 760101, 1520202, 1773569, 2280303, 3293771, 3547138, 4560606, 5320707, 6587542, 9881313, 10641414, 13428451, 15962121, 19762626, 23056397, 26856902, 29643939, 31924242, 40285353, 46112794, 59287878, 69169191, 80570706, 93999157, 120856059, 138338382, 174569863, 187998314, 207507573, 241712118, 281997471, 349139726, 415015146, 523709589, 563994942, 845992413, 1047419178, 1221989041, 1571128767, 1691984826, 2443978082, 3142257534, 3665967123, 7331934246, 10997901369, 21995802738]

約数ペア:

[(1, 21995802738), (2, 10997901369), (3, 7331934246), (6, 3665967123), (7, 3142257534), (9, 2443978082), (13, 1691984826), (14, 1571128767), (18, 1221989041), (21, 1047419178), (26, 845992413), (39, 563994942), (42, 523709589), (53, 415015146), (63, 349139726), (78, 281997471), (91, 241712118), (106, 207507573), (117, 187998314), (126, 174569863), (159, 138338382), (182, 120856059), (234, 93999157), (273, 80570706), (318, 69169191), (371, 59287878), (477, 46112794), (546, 40285353), (689, 31924242), (742, 29643939), (819, 26856902), (954, 23056397), (1113, 19762626), (1378, 15962121), (1638, 13428451), (2067, 10641414), (2226, 9881313), (3339, 6587542), (4134, 5320707), (4823, 4560606), (6201, 3547138), (6678, 3293771), (9646, 2280303), (12402, 1773569), (14469, 1520202), (28938, 760101), (43407, 506734), (86814, 253367)]