21221712

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8669}}^1$

素因数の和:8700

約数の個数: 60

約数和(自身を含む): 62892180

約数和(自身を除く): 41670468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8669, 17338, 26007, 34676, 52014, 69352, 78021, 104028, 138704, 147373, 156042, 208056, 294746, 312084, 416112, 442119, 589492, 624168, 884238, 1178984, 1248336, 1326357, 1768476, 2357968, 2652714, 3536952, 5305428, 7073904, 10610856, 21221712]

約数ペア:

[(1, 21221712), (2, 10610856), (3, 7073904), (4, 5305428), (6, 3536952), (8, 2652714), (9, 2357968), (12, 1768476), (16, 1326357), (17, 1248336), (18, 1178984), (24, 884238), (34, 624168), (36, 589492), (48, 442119), (51, 416112), (68, 312084), (72, 294746), (102, 208056), (136, 156042), (144, 147373), (153, 138704), (204, 104028), (272, 78021), (306, 69352), (408, 52014), (612, 34676), (816, 26007), (1224, 17338), (2448, 8669)]