21998964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4549}}^1$

素因数の和:4600

約数の個数: 48

約数和(自身を含む): 57075200

約数和(自身を除く): 35076236

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4549, 4836, 9098, 13647, 18196, 27294, 54588, 59137, 118274, 141019, 177411, 236548, 282038, 354822, 423057, 564076, 709644, 846114, 1692228, 1833247, 3666494, 5499741, 7332988, 10999482, 21998964]

約数ペア:

[(1, 21998964), (2, 10999482), (3, 7332988), (4, 5499741), (6, 3666494), (12, 1833247), (13, 1692228), (26, 846114), (31, 709644), (39, 564076), (52, 423057), (62, 354822), (78, 282038), (93, 236548), (124, 177411), (156, 141019), (186, 118274), (372, 59137), (403, 54588), (806, 27294), (1209, 18196), (1612, 13647), (2418, 9098), (4549, 4836)]