21111792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1518

約数の個数: 80

約数和(自身を含む): 61329408

約数和(自身を除く): 40217616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1471, 1794, 2392, 2942, 3588, 4413, 4784, 5884, 7176, 8826, 11768, 14352, 17652, 19123, 23536, 33833, 35304, 38246, 57369, 67666, 70608, 76492, 101499, 114738, 135332, 152984, 202998, 229476, 270664, 305968, 405996, 439829, 458952, 541328, 811992, 879658, 917904, 1319487, 1623984, 1759316, 2638974, 3518632, 5277948, 7037264, 10555896, 21111792]

約数ペア:

[(1, 21111792), (2, 10555896), (3, 7037264), (4, 5277948), (6, 3518632), (8, 2638974), (12, 1759316), (13, 1623984), (16, 1319487), (23, 917904), (24, 879658), (26, 811992), (39, 541328), (46, 458952), (48, 439829), (52, 405996), (69, 305968), (78, 270664), (92, 229476), (104, 202998), (138, 152984), (156, 135332), (184, 114738), (208, 101499), (276, 76492), (299, 70608), (312, 67666), (368, 57369), (552, 38246), (598, 35304), (624, 33833), (897, 23536), (1104, 19123), (1196, 17652), (1471, 14352), (1794, 11768), (2392, 8826), (2942, 7176), (3588, 5884), (4413, 4784)]