21843120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7030

約数の個数: 80

約数和(自身を含む): 72932832

約数和(自身を除く): 51089712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 7001, 14002, 21003, 28004, 35005, 42006, 56008, 70010, 84012, 91013, 105015, 112016, 140020, 168024, 182026, 210030, 273039, 280040, 336048, 364052, 420060, 455065, 546078, 560080, 728104, 840120, 910130, 1092156, 1365195, 1456208, 1680240, 1820260, 2184312, 2730390, 3640520, 4368624, 5460780, 7281040, 10921560, 21843120]

約数ペア:

[(1, 21843120), (2, 10921560), (3, 7281040), (4, 5460780), (5, 4368624), (6, 3640520), (8, 2730390), (10, 2184312), (12, 1820260), (13, 1680240), (15, 1456208), (16, 1365195), (20, 1092156), (24, 910130), (26, 840120), (30, 728104), (39, 560080), (40, 546078), (48, 455065), (52, 420060), (60, 364052), (65, 336048), (78, 280040), (80, 273039), (104, 210030), (120, 182026), (130, 168024), (156, 140020), (195, 112016), (208, 105015), (240, 91013), (260, 84012), (312, 70010), (390, 56008), (520, 42006), (624, 35005), (780, 28004), (1040, 21003), (1560, 14002), (3120, 7001)]