21291239676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1\times {\mathrm{4297}}^1$

素因数の和:5339

約数の個数: 96

約数和(自身を含む): 57780524032

約数和(自身を除く): 36489284356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 967, 1281, 1708, 1934, 2562, 2901, 3868, 4297, 5124, 5802, 6769, 8594, 11604, 12891, 13538, 17188, 20307, 25782, 27076, 30079, 40614, 51564, 58987, 60158, 81228, 90237, 117974, 120316, 176961, 180474, 235948, 262117, 353922, 360948, 412909, 524234, 707844, 786351, 825818, 1048468, 1238727, 1572702, 1651636, 1834819, 2477454, 3145404, 3669638, 4155199, 4954908, 5504457, 7339276, 8310398, 11008914, 12465597, 16620796, 22017828, 24931194, 29086393, 49862388, 58172786, 87259179, 116345572, 174518358, 253467139, 349036716, 506934278, 760401417, 1013868556, 1520802834, 1774269973, 3041605668, 3548539946, 5322809919, 7097079892, 10645619838, 21291239676]

約数ペア:

[(1, 21291239676), (2, 10645619838), (3, 7097079892), (4, 5322809919), (6, 3548539946), (7, 3041605668), (12, 1774269973), (14, 1520802834), (21, 1013868556), (28, 760401417), (42, 506934278), (61, 349036716), (84, 253467139), (122, 174518358), (183, 116345572), (244, 87259179), (366, 58172786), (427, 49862388), (732, 29086393), (854, 24931194), (967, 22017828), (1281, 16620796), (1708, 12465597), (1934, 11008914), (2562, 8310398), (2901, 7339276), (3868, 5504457), (4297, 4954908), (5124, 4155199), (5802, 3669638), (6769, 3145404), (8594, 2477454), (11604, 1834819), (12891, 1651636), (13538, 1572702), (17188, 1238727), (20307, 1048468), (25782, 825818), (27076, 786351), (30079, 707844), (40614, 524234), (51564, 412909), (58987, 360948), (60158, 353922), (81228, 262117), (90237, 235948), (117974, 180474), (120316, 176961)]