21902528

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 56

約数和(自身を含む): 47237904

約数和(自身を除く): 25335376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 136, 164, 272, 328, 491, 544, 656, 697, 982, 1088, 1312, 1394, 1964, 2624, 2788, 3928, 5576, 7856, 8347, 11152, 15712, 16694, 20131, 22304, 31424, 33388, 40262, 44608, 66776, 80524, 133552, 161048, 267104, 322096, 342227, 534208, 644192, 684454, 1288384, 1368908, 2737816, 5475632, 10951264, 21902528]

約数ペア:

[(1, 21902528), (2, 10951264), (4, 5475632), (8, 2737816), (16, 1368908), (17, 1288384), (32, 684454), (34, 644192), (41, 534208), (64, 342227), (68, 322096), (82, 267104), (136, 161048), (164, 133552), (272, 80524), (328, 66776), (491, 44608), (544, 40262), (656, 33388), (697, 31424), (982, 22304), (1088, 20131), (1312, 16694), (1394, 15712), (1964, 11152), (2624, 8347), (2788, 7856), (3928, 5576)]