21041496

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45002664

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, 503, 504, 581, 664, 747, 996, 1006, 1162, 1494, 1509, 1743, 1992, 2012, 2324, 2988, 3018, 3486, 3521, 4024, 4527, 4648, 5229, 5976, 6036, 6972, 7042, 9054, 10458, 10563, 12072, 13944, 14084, 18108, 20916, 21126, 28168, 31689, 36216, 41749, 41832, 42252, 63378, 83498, 84504, 125247, 126756, 166996, 250494, 253512, 292243, 333992, 375741, 500988, 584486, 751482, 876729, 1001976, 1168972, 1502964, 1753458, 2337944, 2630187, 3005928, 3506916, 5260374, 7013832, 10520748, 21041496]

約数ペア:

[(1, 21041496), (2, 10520748), (3, 7013832), (4, 5260374), (6, 3506916), (7, 3005928), (8, 2630187), (9, 2337944), (12, 1753458), (14, 1502964), (18, 1168972), (21, 1001976), (24, 876729), (28, 751482), (36, 584486), (42, 500988), (56, 375741), (63, 333992), (72, 292243), (83, 253512), (84, 250494), (126, 166996), (166, 126756), (168, 125247), (249, 84504), (252, 83498), (332, 63378), (498, 42252), (503, 41832), (504, 41749), (581, 36216), (664, 31689), (747, 28168), (996, 21126), (1006, 20916), (1162, 18108), (1494, 14084), (1509, 13944), (1743, 12072), (1992, 10563), (2012, 10458), (2324, 9054), (2988, 7042), (3018, 6972), (3486, 6036), (3521, 5976), (4024, 5229), (4527, 4648)]