21423978

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 50114376

約数和(自身を除く): 28690398

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1321, 1802, 2642, 2703, 3963, 5406, 7926, 8109, 11889, 16218, 22457, 23778, 44914, 67371, 70013, 134742, 140026, 202113, 210039, 404226, 420078, 630117, 1190221, 1260234, 2380442, 3570663, 7141326, 10711989, 21423978]

約数ペア:

[(1, 21423978), (2, 10711989), (3, 7141326), (6, 3570663), (9, 2380442), (17, 1260234), (18, 1190221), (34, 630117), (51, 420078), (53, 404226), (102, 210039), (106, 202113), (153, 140026), (159, 134742), (306, 70013), (318, 67371), (477, 44914), (901, 23778), (954, 22457), (1321, 16218), (1802, 11889), (2642, 8109), (2703, 7926), (3963, 5406)]