21836880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2333}}^1$

素因数の和:2365

約数の個数: 120

約数和(自身を含む): 79010568

約数和(自身を除く): 57173688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2333, 2340, 3120, 4666, 4680, 6999, 9332, 9360, 11665, 13998, 18664, 20997, 23330, 27996, 30329, 34995, 37328, 41994, 46660, 55992, 60658, 69990, 83988, 90987, 93320, 104985, 111984, 121316, 139980, 151645, 167976, 181974, 186640, 209970, 242632, 272961, 279960, 303290, 335952, 363948, 419940, 454935, 485264, 545922, 559920, 606580, 727896, 839880, 909870, 1091844, 1213160, 1364805, 1455792, 1679760, 1819740, 2183688, 2426320, 2729610, 3639480, 4367376, 5459220, 7278960, 10918440, 21836880]

約数ペア:

[(1, 21836880), (2, 10918440), (3, 7278960), (4, 5459220), (5, 4367376), (6, 3639480), (8, 2729610), (9, 2426320), (10, 2183688), (12, 1819740), (13, 1679760), (15, 1455792), (16, 1364805), (18, 1213160), (20, 1091844), (24, 909870), (26, 839880), (30, 727896), (36, 606580), (39, 559920), (40, 545922), (45, 485264), (48, 454935), (52, 419940), (60, 363948), (65, 335952), (72, 303290), (78, 279960), (80, 272961), (90, 242632), (104, 209970), (117, 186640), (120, 181974), (130, 167976), (144, 151645), (156, 139980), (180, 121316), (195, 111984), (208, 104985), (234, 93320), (240, 90987), (260, 83988), (312, 69990), (360, 60658), (390, 55992), (468, 46660), (520, 41994), (585, 37328), (624, 34995), (720, 30329), (780, 27996), (936, 23330), (1040, 20997), (1170, 18664), (1560, 13998), (1872, 11665), (2333, 9360), (2340, 9332), (3120, 6999), (4666, 4680)]