21483224

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 49401600

約数和(自身を除く): 27918376

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 331, 427, 488, 532, 662, 854, 1064, 1159, 1324, 1708, 2317, 2318, 2648, 3416, 4634, 4636, 6289, 8113, 9268, 9272, 12578, 16226, 18536, 20191, 25156, 32452, 40382, 44023, 50312, 64904, 80764, 88046, 141337, 161528, 176092, 282674, 352184, 383629, 565348, 767258, 1130696, 1534516, 2685403, 3069032, 5370806, 10741612, 21483224]

約数ペア:

[(1, 21483224), (2, 10741612), (4, 5370806), (7, 3069032), (8, 2685403), (14, 1534516), (19, 1130696), (28, 767258), (38, 565348), (56, 383629), (61, 352184), (76, 282674), (122, 176092), (133, 161528), (152, 141337), (244, 88046), (266, 80764), (331, 64904), (427, 50312), (488, 44023), (532, 40382), (662, 32452), (854, 25156), (1064, 20191), (1159, 18536), (1324, 16226), (1708, 12578), (2317, 9272), (2318, 9268), (2648, 8113), (3416, 6289), (4634, 4636)]