21554970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2671}}^1$

素因数の和:2950

約数の個数: 32

約数和(自身を含む): 51943680

約数和(自身を除く): 30388710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2671, 2690, 4035, 5342, 8013, 8070, 13355, 16026, 26710, 40065, 80130, 718499, 1436998, 2155497, 3592495, 4310994, 7184990, 10777485, 21554970]

約数ペア:

[(1, 21554970), (2, 10777485), (3, 7184990), (5, 4310994), (6, 3592495), (10, 2155497), (15, 1436998), (30, 718499), (269, 80130), (538, 40065), (807, 26710), (1345, 16026), (1614, 13355), (2671, 8070), (2690, 8013), (4035, 5342)]