21416940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2368

約数の個数: 96

約数和(自身を含む): 70580160

約数和(自身を除く): 49163220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2333, 3060, 4590, 4666, 6999, 9180, 9332, 11665, 13998, 20997, 23330, 27996, 34995, 39661, 41994, 46660, 62991, 69990, 79322, 83988, 104985, 118983, 125982, 139980, 158644, 198305, 209970, 237966, 251964, 314955, 356949, 396610, 419940, 475932, 594915, 629910, 713898, 793220, 1070847, 1189830, 1259820, 1427796, 1784745, 2141694, 2379660, 3569490, 4283388, 5354235, 7138980, 10708470, 21416940]

約数ペア:

[(1, 21416940), (2, 10708470), (3, 7138980), (4, 5354235), (5, 4283388), (6, 3569490), (9, 2379660), (10, 2141694), (12, 1784745), (15, 1427796), (17, 1259820), (18, 1189830), (20, 1070847), (27, 793220), (30, 713898), (34, 629910), (36, 594915), (45, 475932), (51, 419940), (54, 396610), (60, 356949), (68, 314955), (85, 251964), (90, 237966), (102, 209970), (108, 198305), (135, 158644), (153, 139980), (170, 125982), (180, 118983), (204, 104985), (255, 83988), (270, 79322), (306, 69990), (340, 62991), (459, 46660), (510, 41994), (540, 39661), (612, 34995), (765, 27996), (918, 23330), (1020, 20997), (1530, 13998), (1836, 11665), (2295, 9332), (2333, 9180), (3060, 6999), (4590, 4666)]