21663148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 21801812

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 59, 92, 118, 236, 299, 307, 598, 614, 767, 1196, 1228, 1357, 1534, 2714, 3068, 3991, 5428, 7061, 7982, 14122, 15964, 17641, 18113, 28244, 35282, 36226, 70564, 72452, 91793, 183586, 235469, 367172, 416599, 470938, 833198, 941876, 1666396, 5415787, 10831574, 21663148]

約数ペア:

[(1, 21663148), (2, 10831574), (4, 5415787), (13, 1666396), (23, 941876), (26, 833198), (46, 470938), (52, 416599), (59, 367172), (92, 235469), (118, 183586), (236, 91793), (299, 72452), (307, 70564), (598, 36226), (614, 35282), (767, 28244), (1196, 18113), (1228, 17641), (1357, 15964), (1534, 14122), (2714, 7982), (3068, 7061), (3991, 5428)]