21946860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 73198944

約数和(自身を除く): 51252084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 113, 117, 130, 156, 166, 180, 195, 226, 234, 249, 260, 332, 339, 390, 415, 452, 468, 498, 565, 585, 678, 747, 780, 830, 996, 1017, 1079, 1130, 1170, 1245, 1356, 1469, 1494, 1660, 1695, 2034, 2158, 2260, 2340, 2490, 2938, 2988, 3237, 3390, 3735, 4068, 4316, 4407, 4980, 5085, 5395, 5876, 6474, 6780, 7345, 7470, 8814, 9379, 9711, 10170, 10790, 12948, 13221, 14690, 14940, 16185, 17628, 18758, 19422, 20340, 21580, 22035, 26442, 28137, 29380, 32370, 37516, 38844, 44070, 46895, 48555, 52884, 56274, 64740, 66105, 84411, 88140, 93790, 97110, 112548, 121927, 132210, 140685, 168822, 187580, 194220, 243854, 264420, 281370, 337644, 365781, 422055, 487708, 562740, 609635, 731562, 844110, 1097343, 1219270, 1463124, 1688220, 1828905, 2194686, 2438540, 3657810, 4389372, 5486715, 7315620, 10973430, 21946860]

約数ペア:

[(1, 21946860), (2, 10973430), (3, 7315620), (4, 5486715), (5, 4389372), (6, 3657810), (9, 2438540), (10, 2194686), (12, 1828905), (13, 1688220), (15, 1463124), (18, 1219270), (20, 1097343), (26, 844110), (30, 731562), (36, 609635), (39, 562740), (45, 487708), (52, 422055), (60, 365781), (65, 337644), (78, 281370), (83, 264420), (90, 243854), (113, 194220), (117, 187580), (130, 168822), (156, 140685), (166, 132210), (180, 121927), (195, 112548), (226, 97110), (234, 93790), (249, 88140), (260, 84411), (332, 66105), (339, 64740), (390, 56274), (415, 52884), (452, 48555), (468, 46895), (498, 44070), (565, 38844), (585, 37516), (678, 32370), (747, 29380), (780, 28137), (830, 26442), (996, 22035), (1017, 21580), (1079, 20340), (1130, 19422), (1170, 18758), (1245, 17628), (1356, 16185), (1469, 14940), (1494, 14690), (1660, 13221), (1695, 12948), (2034, 10790), (2158, 10170), (2260, 9711), (2340, 9379), (2490, 8814), (2938, 7470), (2988, 7345), (3237, 6780), (3390, 6474), (3735, 5876), (4068, 5395), (4316, 5085), (4407, 4980)]