21899388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4919}}^1$

素因数の和:4986

約数の個数: 48

約数和(自身を含む): 59512320

約数和(自身を除く): 37612932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4919, 9838, 14757, 19676, 29514, 34433, 59028, 68866, 103299, 137732, 206598, 260707, 413196, 521414, 782121, 1042828, 1564242, 1824949, 3128484, 3649898, 5474847, 7299796, 10949694, 21899388]

約数ペア:

[(1, 21899388), (2, 10949694), (3, 7299796), (4, 5474847), (6, 3649898), (7, 3128484), (12, 1824949), (14, 1564242), (21, 1042828), (28, 782121), (42, 521414), (53, 413196), (84, 260707), (106, 206598), (159, 137732), (212, 103299), (318, 68866), (371, 59028), (636, 34433), (742, 29514), (1113, 19676), (1484, 14757), (2226, 9838), (4452, 4919)]