21506909897

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 25758673920

約数和(自身を除く): 4251764023

約数列:

[1, 11, 23, 31, 89, 121, 253, 341, 713, 979, 2047, 2759, 2783, 2801, 3751, 7843, 10769, 22517, 30349, 30811, 63457, 64423, 86273, 86831, 247687, 249289, 333839, 338921, 698027, 708653, 955141, 1997113, 2742179, 5733647, 7678297, 7727959, 7795183, 10506551, 21968243, 30163969, 63070117, 85007549, 177743057, 241650673, 693771287, 935083039, 1955173627, 21506909897]

約数ペア:

[(1, 21506909897), (11, 1955173627), (23, 935083039), (31, 693771287), (89, 241650673), (121, 177743057), (253, 85007549), (341, 63070117), (713, 30163969), (979, 21968243), (2047, 10506551), (2759, 7795183), (2783, 7727959), (2801, 7678297), (3751, 5733647), (7843, 2742179), (10769, 1997113), (22517, 955141), (30349, 708653), (30811, 698027), (63457, 338921), (64423, 333839), (86273, 249289), (86831, 247687)]