21126366

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 29273634

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 59, 114, 118, 171, 177, 342, 349, 354, 513, 531, 698, 1026, 1047, 1062, 1121, 1593, 2094, 2242, 3141, 3186, 3363, 6282, 6631, 6726, 9423, 10089, 13262, 18846, 19893, 20178, 20591, 30267, 39786, 41182, 59679, 60534, 61773, 119358, 123546, 179037, 185319, 358074, 370638, 391229, 555957, 782458, 1111914, 1173687, 2347374, 3521061, 7042122, 10563183, 21126366]

約数ペア:

[(1, 21126366), (2, 10563183), (3, 7042122), (6, 3521061), (9, 2347374), (18, 1173687), (19, 1111914), (27, 782458), (38, 555957), (54, 391229), (57, 370638), (59, 358074), (114, 185319), (118, 179037), (171, 123546), (177, 119358), (342, 61773), (349, 60534), (354, 59679), (513, 41182), (531, 39786), (698, 30267), (1026, 20591), (1047, 20178), (1062, 19893), (1121, 18846), (1593, 13262), (2094, 10089), (2242, 9423), (3141, 6726), (3186, 6631), (3363, 6282)]