21203107198

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:882

約数の個数: 128

約数和(自身を含む): 41852805120

約数和(自身を除く): 20649697922

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 79, 91, 97, 158, 161, 182, 194, 299, 322, 553, 598, 661, 679, 1027, 1106, 1261, 1322, 1358, 1817, 2054, 2093, 2231, 2522, 3634, 4186, 4462, 4627, 7189, 7663, 8593, 8827, 9254, 12719, 14378, 15203, 15326, 15617, 17186, 17654, 23621, 25438, 29003, 30406, 31234, 47242, 52219, 53641, 58006, 60151, 64117, 99619, 104438, 106421, 107282, 120302, 128234, 165347, 176249, 197639, 199238, 203021, 212842, 330694, 352498, 365533, 395278, 406042, 448819, 678847, 697333, 731066, 833521, 897638, 1201037, 1233743, 1357694, 1383473, 1394666, 1474691, 1667042, 2291237, 2402074, 2467486, 2766946, 2949382, 4582474, 4751929, 5065243, 5834647, 8407259, 9503858, 10130486, 10322837, 11669294, 15613481, 16038659, 16814518, 19170983, 20645674, 31226962, 32077318, 35456701, 38341966, 65848159, 70913402, 109294367, 116500589, 131696318, 134196881, 218588734, 233001178, 268393762, 460937113, 815504123, 921874226, 1514507657, 1631008246, 3029015314, 10601553599, 21203107198]

約数ペア:

[(1, 21203107198), (2, 10601553599), (7, 3029015314), (13, 1631008246), (14, 1514507657), (23, 921874226), (26, 815504123), (46, 460937113), (79, 268393762), (91, 233001178), (97, 218588734), (158, 134196881), (161, 131696318), (182, 116500589), (194, 109294367), (299, 70913402), (322, 65848159), (553, 38341966), (598, 35456701), (661, 32077318), (679, 31226962), (1027, 20645674), (1106, 19170983), (1261, 16814518), (1322, 16038659), (1358, 15613481), (1817, 11669294), (2054, 10322837), (2093, 10130486), (2231, 9503858), (2522, 8407259), (3634, 5834647), (4186, 5065243), (4462, 4751929), (4627, 4582474), (7189, 2949382), (7663, 2766946), (8593, 2467486), (8827, 2402074), (9254, 2291237), (12719, 1667042), (14378, 1474691), (15203, 1394666), (15326, 1383473), (15617, 1357694), (17186, 1233743), (17654, 1201037), (23621, 897638), (25438, 833521), (29003, 731066), (30406, 697333), (31234, 678847), (47242, 448819), (52219, 406042), (53641, 395278), (58006, 365533), (60151, 352498), (64117, 330694), (99619, 212842), (104438, 203021), (106421, 199238), (107282, 197639), (120302, 176249), (128234, 165347)]