21649851184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2351}}^1\times {\mathrm{44273}}^1$

素因数の和:46645

約数の個数: 40

約数和(自身を含む): 45193482432

約数和(自身を除く): 23543631248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2351, 4702, 9404, 18808, 30563, 37616, 44273, 61126, 88546, 122252, 177092, 244504, 354184, 489008, 575549, 708368, 1151098, 2302196, 4604392, 9208784, 104085823, 208171646, 416343292, 832686584, 1353115699, 1665373168, 2706231398, 5412462796, 10824925592, 21649851184]

約数ペア:

[(1, 21649851184), (2, 10824925592), (4, 5412462796), (8, 2706231398), (13, 1665373168), (16, 1353115699), (26, 832686584), (52, 416343292), (104, 208171646), (208, 104085823), (2351, 9208784), (4702, 4604392), (9404, 2302196), (18808, 1151098), (30563, 708368), (37616, 575549), (44273, 489008), (61126, 354184), (88546, 244504), (122252, 177092)]