21024944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 46663680

約数和(自身を除く): 25638736

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 38, 46, 62, 76, 92, 97, 124, 152, 184, 194, 248, 304, 368, 388, 437, 496, 589, 713, 776, 874, 1178, 1426, 1552, 1748, 1843, 2231, 2356, 2852, 3007, 3496, 3686, 4462, 4712, 5704, 6014, 6992, 7372, 8924, 9424, 11408, 12028, 13547, 14744, 17848, 24056, 27094, 29488, 35696, 42389, 48112, 54188, 57133, 69161, 84778, 108376, 114266, 138322, 169556, 216752, 228532, 276644, 339112, 457064, 553288, 678224, 914128, 1106576, 1314059, 2628118, 5256236, 10512472, 21024944]

約数ペア:

[(1, 21024944), (2, 10512472), (4, 5256236), (8, 2628118), (16, 1314059), (19, 1106576), (23, 914128), (31, 678224), (38, 553288), (46, 457064), (62, 339112), (76, 276644), (92, 228532), (97, 216752), (124, 169556), (152, 138322), (184, 114266), (194, 108376), (248, 84778), (304, 69161), (368, 57133), (388, 54188), (437, 48112), (496, 42389), (589, 35696), (713, 29488), (776, 27094), (874, 24056), (1178, 17848), (1426, 14744), (1552, 13547), (1748, 12028), (1843, 11408), (2231, 9424), (2356, 8924), (2852, 7372), (3007, 6992), (3496, 6014), (3686, 5704), (4462, 4712)]