21640476

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12611}}^1$

素因数の和:12642

約数の個数: 48

約数和(自身を含む): 59326848

約数和(自身を除く): 37686372

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12611, 25222, 37833, 50444, 75666, 138721, 151332, 163943, 277442, 327886, 416163, 491829, 554884, 655772, 832326, 983658, 1664652, 1803373, 1967316, 3606746, 5410119, 7213492, 10820238, 21640476]

約数ペア:

[(1, 21640476), (2, 10820238), (3, 7213492), (4, 5410119), (6, 3606746), (11, 1967316), (12, 1803373), (13, 1664652), (22, 983658), (26, 832326), (33, 655772), (39, 554884), (44, 491829), (52, 416163), (66, 327886), (78, 277442), (132, 163943), (143, 151332), (156, 138721), (286, 75666), (429, 50444), (572, 37833), (858, 25222), (1716, 12611)]