21659976

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 64242360

約数和(自身を除く): 42582384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 73, 78, 104, 117, 146, 156, 219, 234, 292, 312, 317, 438, 468, 584, 634, 657, 876, 936, 949, 951, 1268, 1314, 1752, 1898, 1902, 2536, 2628, 2847, 2853, 3796, 3804, 4121, 5256, 5694, 5706, 7592, 7608, 8242, 8541, 11388, 11412, 12363, 16484, 17082, 22776, 22824, 23141, 24726, 32968, 34164, 37089, 46282, 49452, 68328, 69423, 74178, 92564, 98904, 138846, 148356, 185128, 208269, 277692, 296712, 300833, 416538, 555384, 601666, 833076, 902499, 1203332, 1666152, 1804998, 2406664, 2707497, 3609996, 5414994, 7219992, 10829988, 21659976]

約数ペア:

[(1, 21659976), (2, 10829988), (3, 7219992), (4, 5414994), (6, 3609996), (8, 2707497), (9, 2406664), (12, 1804998), (13, 1666152), (18, 1203332), (24, 902499), (26, 833076), (36, 601666), (39, 555384), (52, 416538), (72, 300833), (73, 296712), (78, 277692), (104, 208269), (117, 185128), (146, 148356), (156, 138846), (219, 98904), (234, 92564), (292, 74178), (312, 69423), (317, 68328), (438, 49452), (468, 46282), (584, 37089), (634, 34164), (657, 32968), (876, 24726), (936, 23141), (949, 22824), (951, 22776), (1268, 17082), (1314, 16484), (1752, 12363), (1898, 11412), (1902, 11388), (2536, 8541), (2628, 8242), (2847, 7608), (2853, 7592), (3796, 5706), (3804, 5694), (4121, 5256)]