21167243175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 38157280000

約数和(自身を除く): 16990036825

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 139, 195, 313, 325, 417, 499, 695, 939, 975, 1497, 1565, 1807, 2085, 2495, 3475, 4069, 4695, 5421, 6487, 7485, 7825, 9035, 10425, 12207, 12475, 19461, 20345, 23475, 27105, 32435, 37425, 43507, 45175, 61035, 69361, 97305, 101725, 130521, 135525, 156187, 162175, 208083, 217535, 305175, 346805, 468561, 486525, 565591, 652605, 780935, 901693, 1040415, 1087675, 1696773, 1734025, 2030431, 2342805, 2705079, 2827955, 3263025, 3904675, 4508465, 5202075, 6091293, 8483865, 10152155, 11714025, 13525395, 14139775, 21709993, 22542325, 30456465, 42419325, 50760775, 65129979, 67626975, 108549965, 152282325, 282229909, 325649895, 542749825, 846689727, 1411149545, 1628249475, 4233448635, 7055747725, 21167243175]

約数ペア:

[(1, 21167243175), (3, 7055747725), (5, 4233448635), (13, 1628249475), (15, 1411149545), (25, 846689727), (39, 542749825), (65, 325649895), (75, 282229909), (139, 152282325), (195, 108549965), (313, 67626975), (325, 65129979), (417, 50760775), (499, 42419325), (695, 30456465), (939, 22542325), (975, 21709993), (1497, 14139775), (1565, 13525395), (1807, 11714025), (2085, 10152155), (2495, 8483865), (3475, 6091293), (4069, 5202075), (4695, 4508465), (5421, 3904675), (6487, 3263025), (7485, 2827955), (7825, 2705079), (9035, 2342805), (10425, 2030431), (12207, 1734025), (12475, 1696773), (19461, 1087675), (20345, 1040415), (23475, 901693), (27105, 780935), (32435, 652605), (37425, 565591), (43507, 486525), (45175, 468561), (61035, 346805), (69361, 305175), (97305, 217535), (101725, 208083), (130521, 162175), (135525, 156187)]