21104293744

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{63607}}^1$

素因数の和:63937

約数の個数: 40

約数和(自身を含む): 41527118880

約数和(自身を除く): 20422825136

約数列:

[1, 2, 4, 8, 16, 89, 178, 233, 356, 466, 712, 932, 1424, 1864, 3728, 20737, 41474, 63607, 82948, 127214, 165896, 254428, 331792, 508856, 1017712, 5661023, 11322046, 14820431, 22644092, 29640862, 45288184, 59281724, 90576368, 118563448, 237126896, 1319018359, 2638036718, 5276073436, 10552146872, 21104293744]

約数ペア:

[(1, 21104293744), (2, 10552146872), (4, 5276073436), (8, 2638036718), (16, 1319018359), (89, 237126896), (178, 118563448), (233, 90576368), (356, 59281724), (466, 45288184), (712, 29640862), (932, 22644092), (1424, 14820431), (1864, 11322046), (3728, 5661023), (20737, 1017712), (41474, 508856), (63607, 331792), (82948, 254428), (127214, 165896)]