21479535

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6199}}^1$

素因数の和:6228

約数の個数: 48

約数和(自身を含む): 46425600

約数和(自身を除く): 24946065

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6199, 18597, 30995, 43393, 55791, 68189, 92985, 130179, 204567, 216965, 278955, 340945, 390537, 477323, 613701, 650895, 1022835, 1431969, 1952685, 2386615, 3068505, 4295907, 7159845, 21479535]

約数ペア:

[(1, 21479535), (3, 7159845), (5, 4295907), (7, 3068505), (9, 2386615), (11, 1952685), (15, 1431969), (21, 1022835), (33, 650895), (35, 613701), (45, 477323), (55, 390537), (63, 340945), (77, 278955), (99, 216965), (105, 204567), (165, 130179), (231, 92985), (315, 68189), (385, 55791), (495, 43393), (693, 30995), (1155, 18597), (3465, 6199)]