21861245944

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{1163}}^1\times {\mathrm{2371}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 41083799040

約数和(自身を除く): 19222553096

約数列:

[1, 2, 4, 8, 991, 1163, 1982, 2326, 2371, 3964, 4652, 4742, 7928, 9304, 9484, 18968, 1152533, 2305066, 2349661, 2757473, 4610132, 4699322, 5514946, 9220264, 9398644, 11029892, 18797288, 22059784, 2732655743, 5465311486, 10930622972, 21861245944]

約数ペア:

[(1, 21861245944), (2, 10930622972), (4, 5465311486), (8, 2732655743), (991, 22059784), (1163, 18797288), (1982, 11029892), (2326, 9398644), (2371, 9220264), (3964, 5514946), (4652, 4699322), (4742, 4610132), (7928, 2757473), (9304, 2349661), (9484, 2305066), (18968, 1152533)]