21097552

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1667}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 47157696

約数和(自身を除く): 26060144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1667, 1808, 3164, 3334, 6328, 6668, 11669, 12656, 13336, 23338, 26672, 46676, 93352, 186704, 188371, 376742, 753484, 1318597, 1506968, 2637194, 3013936, 5274388, 10548776, 21097552]

約数ペア:

[(1, 21097552), (2, 10548776), (4, 5274388), (7, 3013936), (8, 2637194), (14, 1506968), (16, 1318597), (28, 753484), (56, 376742), (112, 188371), (113, 186704), (226, 93352), (452, 46676), (791, 26672), (904, 23338), (1582, 13336), (1667, 12656), (1808, 11669), (3164, 6668), (3334, 6328)]