21690708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8179}}^1$

素因数の和:8216

約数の個数: 48

約数和(自身を含む): 57718080

約数和(自身を除く): 36027372

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 8179, 16358, 24537, 32716, 49074, 98148, 106327, 139043, 212654, 278086, 318981, 417129, 425308, 556172, 637962, 834258, 1275924, 1668516, 1807559, 3615118, 5422677, 7230236, 10845354, 21690708]

約数ペア:

[(1, 21690708), (2, 10845354), (3, 7230236), (4, 5422677), (6, 3615118), (12, 1807559), (13, 1668516), (17, 1275924), (26, 834258), (34, 637962), (39, 556172), (51, 425308), (52, 417129), (68, 318981), (78, 278086), (102, 212654), (156, 139043), (204, 106327), (221, 98148), (442, 49074), (663, 32716), (884, 24537), (1326, 16358), (2652, 8179)]