21009574729

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41351}}^1$

素因数の和:41422

約数の個数: 48

約数和(自身を含む): 27719072640

約数和(自身を除く): 6709497911

約数列:

[1, 11, 13, 17, 19, 121, 143, 187, 209, 221, 247, 323, 1573, 2057, 2299, 2431, 2717, 3553, 4199, 26741, 29887, 39083, 41351, 46189, 454861, 508079, 537563, 702967, 785669, 5003471, 5913193, 7732637, 8642359, 9138571, 10213697, 13356373, 65045123, 85059007, 95065949, 100524281, 112350667, 146920103, 173632849, 1105767091, 1235857337, 1616121133, 1909961339, 21009574729]

約数ペア:

[(1, 21009574729), (11, 1909961339), (13, 1616121133), (17, 1235857337), (19, 1105767091), (121, 173632849), (143, 146920103), (187, 112350667), (209, 100524281), (221, 95065949), (247, 85059007), (323, 65045123), (1573, 13356373), (2057, 10213697), (2299, 9138571), (2431, 8642359), (2717, 7732637), (3553, 5913193), (4199, 5003471), (26741, 785669), (29887, 702967), (39083, 537563), (41351, 508079), (46189, 454861)]