21389808

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2383}}^1$

素因数の和:2422

約数の個数: 80

約数和(自身を含む): 63853056

約数和(自身を除く): 42463248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2383, 2992, 4488, 4766, 7149, 8976, 9532, 14298, 19064, 26213, 28596, 38128, 40511, 52426, 57192, 78639, 81022, 104852, 114384, 121533, 157278, 162044, 209704, 243066, 314556, 324088, 419408, 445621, 486132, 629112, 648176, 891242, 972264, 1258224, 1336863, 1782484, 1944528, 2673726, 3564968, 5347452, 7129936, 10694904, 21389808]

約数ペア:

[(1, 21389808), (2, 10694904), (3, 7129936), (4, 5347452), (6, 3564968), (8, 2673726), (11, 1944528), (12, 1782484), (16, 1336863), (17, 1258224), (22, 972264), (24, 891242), (33, 648176), (34, 629112), (44, 486132), (48, 445621), (51, 419408), (66, 324088), (68, 314556), (88, 243066), (102, 209704), (132, 162044), (136, 157278), (176, 121533), (187, 114384), (204, 104852), (264, 81022), (272, 78639), (374, 57192), (408, 52426), (528, 40511), (561, 38128), (748, 28596), (816, 26213), (1122, 19064), (1496, 14298), (2244, 9532), (2383, 8976), (2992, 7149), (4488, 4766)]