21455520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44699}}^1$

素因数の和:44717

約数の個数: 48

約数和(自身を含む): 67586400

約数和(自身を除く): 46130880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44699, 89398, 134097, 178796, 223495, 268194, 357592, 446990, 536388, 670485, 715184, 893980, 1072776, 1340970, 1430368, 1787960, 2145552, 2681940, 3575920, 4291104, 5363880, 7151840, 10727760, 21455520]

約数ペア:

[(1, 21455520), (2, 10727760), (3, 7151840), (4, 5363880), (5, 4291104), (6, 3575920), (8, 2681940), (10, 2145552), (12, 1787960), (15, 1430368), (16, 1340970), (20, 1072776), (24, 893980), (30, 715184), (32, 670485), (40, 536388), (48, 446990), (60, 357592), (80, 268194), (96, 223495), (120, 178796), (160, 134097), (240, 89398), (480, 44699)]