21813948

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5179}}^1$

素因数の和:5208

約数の個数: 60

約数和(自身を含む): 61424440

約数和(自身を除く): 39610492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5179, 10358, 15537, 20716, 31074, 46611, 62148, 67327, 93222, 134654, 139833, 186444, 201981, 269308, 279666, 403962, 419499, 559332, 605943, 807924, 838998, 1211886, 1677996, 1817829, 2423772, 3635658, 5453487, 7271316, 10906974, 21813948]

約数ペア:

[(1, 21813948), (2, 10906974), (3, 7271316), (4, 5453487), (6, 3635658), (9, 2423772), (12, 1817829), (13, 1677996), (18, 1211886), (26, 838998), (27, 807924), (36, 605943), (39, 559332), (52, 419499), (54, 403962), (78, 279666), (81, 269308), (108, 201981), (117, 186444), (156, 139833), (162, 134654), (234, 93222), (324, 67327), (351, 62148), (468, 46611), (702, 31074), (1053, 20716), (1404, 15537), (2106, 10358), (4212, 5179)]