21591804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 55170080

約数和(自身を除く): 33578276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2269, 2379, 3172, 4538, 4758, 6807, 9076, 9516, 13614, 27228, 29497, 58994, 88491, 117988, 138409, 176982, 276818, 353964, 415227, 553636, 830454, 1660908, 1799317, 3598634, 5397951, 7197268, 10795902, 21591804]

約数ペア:

[(1, 21591804), (2, 10795902), (3, 7197268), (4, 5397951), (6, 3598634), (12, 1799317), (13, 1660908), (26, 830454), (39, 553636), (52, 415227), (61, 353964), (78, 276818), (122, 176982), (156, 138409), (183, 117988), (244, 88491), (366, 58994), (732, 29497), (793, 27228), (1586, 13614), (2269, 9516), (2379, 9076), (3172, 6807), (4538, 4758)]