21887736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 61724880

約数和(自身を除く): 39837144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 73, 78, 93, 104, 124, 146, 156, 186, 219, 248, 292, 312, 372, 403, 438, 584, 744, 806, 876, 949, 961, 1209, 1612, 1752, 1898, 1922, 2263, 2418, 2847, 2883, 3224, 3796, 3844, 4526, 4836, 5694, 5766, 6789, 7592, 7688, 9052, 9672, 11388, 11532, 12493, 13578, 18104, 22776, 23064, 24986, 27156, 29419, 37479, 49972, 54312, 58838, 70153, 74958, 88257, 99944, 117676, 140306, 149916, 176514, 210459, 235352, 280612, 299832, 353028, 420918, 561224, 706056, 841836, 911989, 1683672, 1823978, 2735967, 3647956, 5471934, 7295912, 10943868, 21887736]

約数ペア:

[(1, 21887736), (2, 10943868), (3, 7295912), (4, 5471934), (6, 3647956), (8, 2735967), (12, 1823978), (13, 1683672), (24, 911989), (26, 841836), (31, 706056), (39, 561224), (52, 420918), (62, 353028), (73, 299832), (78, 280612), (93, 235352), (104, 210459), (124, 176514), (146, 149916), (156, 140306), (186, 117676), (219, 99944), (248, 88257), (292, 74958), (312, 70153), (372, 58838), (403, 54312), (438, 49972), (584, 37479), (744, 29419), (806, 27156), (876, 24986), (949, 23064), (961, 22776), (1209, 18104), (1612, 13578), (1752, 12493), (1898, 11532), (1922, 11388), (2263, 9672), (2418, 9052), (2847, 7688), (2883, 7592), (3224, 6789), (3796, 5766), (3844, 5694), (4526, 4836)]