21478832

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 43129680

約数和(自身を除く): 21650848

約数列:

[1, 2, 4, 8, 16, 59, 61, 118, 122, 236, 244, 373, 472, 488, 746, 944, 976, 1492, 2984, 3599, 5968, 7198, 14396, 22007, 22753, 28792, 44014, 45506, 57584, 88028, 91012, 176056, 182024, 352112, 364048, 1342427, 2684854, 5369708, 10739416, 21478832]

約数ペア:

[(1, 21478832), (2, 10739416), (4, 5369708), (8, 2684854), (16, 1342427), (59, 364048), (61, 352112), (118, 182024), (122, 176056), (236, 91012), (244, 88028), (373, 57584), (472, 45506), (488, 44014), (746, 28792), (944, 22753), (976, 22007), (1492, 14396), (2984, 7198), (3599, 5968)]