21292488

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 45537912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 83, 84, 126, 166, 168, 249, 252, 332, 498, 504, 509, 581, 664, 747, 996, 1018, 1162, 1494, 1527, 1743, 1992, 2036, 2324, 2988, 3054, 3486, 3563, 4072, 4581, 4648, 5229, 5976, 6108, 6972, 7126, 9162, 10458, 10689, 12216, 13944, 14252, 18324, 20916, 21378, 28504, 32067, 36648, 41832, 42247, 42756, 64134, 84494, 85512, 126741, 128268, 168988, 253482, 256536, 295729, 337976, 380223, 506964, 591458, 760446, 887187, 1013928, 1182916, 1520892, 1774374, 2365832, 2661561, 3041784, 3548748, 5323122, 7097496, 10646244, 21292488]

約数ペア:

[(1, 21292488), (2, 10646244), (3, 7097496), (4, 5323122), (6, 3548748), (7, 3041784), (8, 2661561), (9, 2365832), (12, 1774374), (14, 1520892), (18, 1182916), (21, 1013928), (24, 887187), (28, 760446), (36, 591458), (42, 506964), (56, 380223), (63, 337976), (72, 295729), (83, 256536), (84, 253482), (126, 168988), (166, 128268), (168, 126741), (249, 85512), (252, 84494), (332, 64134), (498, 42756), (504, 42247), (509, 41832), (581, 36648), (664, 32067), (747, 28504), (996, 21378), (1018, 20916), (1162, 18324), (1494, 14252), (1527, 13944), (1743, 12216), (1992, 10689), (2036, 10458), (2324, 9162), (2988, 7126), (3054, 6972), (3486, 6108), (3563, 5976), (4072, 5229), (4581, 4648)]