21683948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 23361556

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 167, 227, 286, 334, 454, 572, 668, 908, 1837, 2171, 2497, 2951, 3674, 4342, 4994, 5902, 7348, 8684, 9988, 11804, 23881, 32461, 37909, 47762, 64922, 75818, 95524, 129844, 151636, 416999, 492817, 833998, 985634, 1667996, 1971268, 5420987, 10841974, 21683948]

約数ペア:

[(1, 21683948), (2, 10841974), (4, 5420987), (11, 1971268), (13, 1667996), (22, 985634), (26, 833998), (44, 492817), (52, 416999), (143, 151636), (167, 129844), (227, 95524), (286, 75818), (334, 64922), (454, 47762), (572, 37909), (668, 32461), (908, 23881), (1837, 11804), (2171, 9988), (2497, 8684), (2951, 7348), (3674, 5902), (4342, 4994)]