21953766

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 27314970

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 53, 62, 93, 102, 106, 131, 159, 186, 262, 318, 393, 527, 786, 901, 1054, 1581, 1643, 1802, 2227, 2703, 3162, 3286, 4061, 4454, 4929, 5406, 6681, 6943, 8122, 9858, 12183, 13362, 13886, 20829, 24366, 27931, 41658, 55862, 69037, 83793, 118031, 138074, 167586, 207111, 215233, 236062, 354093, 414222, 430466, 645699, 708186, 1291398, 3658961, 7317922, 10976883, 21953766]

約数ペア:

[(1, 21953766), (2, 10976883), (3, 7317922), (6, 3658961), (17, 1291398), (31, 708186), (34, 645699), (51, 430466), (53, 414222), (62, 354093), (93, 236062), (102, 215233), (106, 207111), (131, 167586), (159, 138074), (186, 118031), (262, 83793), (318, 69037), (393, 55862), (527, 41658), (786, 27931), (901, 24366), (1054, 20829), (1581, 13886), (1643, 13362), (1802, 12183), (2227, 9858), (2703, 8122), (3162, 6943), (3286, 6681), (4061, 5406), (4454, 4929)]