21880451632

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8581}}^1$

素因数の和:8679

約数の個数: 120

約数和(自身を含む): 49075171488

約数和(自身を除く): 27194719856

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 41, 46, 52, 82, 92, 104, 164, 169, 184, 208, 299, 328, 338, 368, 533, 598, 656, 676, 943, 1066, 1196, 1352, 1886, 2132, 2392, 2704, 3772, 3887, 4264, 4784, 6929, 7544, 7774, 8528, 8581, 12259, 13858, 15088, 15548, 17162, 24518, 27716, 31096, 34324, 49036, 55432, 62192, 68648, 98072, 110864, 111553, 137296, 159367, 196144, 197363, 223106, 318734, 351821, 394726, 446212, 637468, 703642, 789452, 892424, 1274936, 1407284, 1450189, 1578904, 1784848, 2549872, 2565719, 2814568, 2900378, 3157808, 4573673, 5131438, 5629136, 5800756, 8091883, 9147346, 10262876, 11601512, 16183766, 18294692, 20525752, 23203024, 32367532, 33354347, 36589384, 41051504, 59457749, 64735064, 66708694, 73178768, 105194479, 118915498, 129470128, 133417388, 210388958, 237830996, 266834776, 420777916, 475661992, 533669552, 841555832, 951323984, 1367528227, 1683111664, 2735056454, 5470112908, 10940225816, 21880451632]

約数ペア:

[(1, 21880451632), (2, 10940225816), (4, 5470112908), (8, 2735056454), (13, 1683111664), (16, 1367528227), (23, 951323984), (26, 841555832), (41, 533669552), (46, 475661992), (52, 420777916), (82, 266834776), (92, 237830996), (104, 210388958), (164, 133417388), (169, 129470128), (184, 118915498), (208, 105194479), (299, 73178768), (328, 66708694), (338, 64735064), (368, 59457749), (533, 41051504), (598, 36589384), (656, 33354347), (676, 32367532), (943, 23203024), (1066, 20525752), (1196, 18294692), (1352, 16183766), (1886, 11601512), (2132, 10262876), (2392, 9147346), (2704, 8091883), (3772, 5800756), (3887, 5629136), (4264, 5131438), (4784, 4573673), (6929, 3157808), (7544, 2900378), (7774, 2814568), (8528, 2565719), (8581, 2549872), (12259, 1784848), (13858, 1578904), (15088, 1450189), (15548, 1407284), (17162, 1274936), (24518, 892424), (27716, 789452), (31096, 703642), (34324, 637468), (49036, 446212), (55432, 394726), (62192, 351821), (68648, 318734), (98072, 223106), (110864, 197363), (111553, 196144), (137296, 159367)]