21645521392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{122131}}^1$

素因数の和:122222

約数の個数: 80

約数和(自身を含む): 49067752320

約数和(自身を除く): 27422230928

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 53, 76, 88, 106, 152, 176, 209, 212, 304, 418, 424, 583, 836, 848, 1007, 1166, 1672, 2014, 2332, 3344, 4028, 4664, 8056, 9328, 11077, 16112, 22154, 44308, 88616, 122131, 177232, 244262, 488524, 977048, 1343441, 1954096, 2320489, 2686882, 4640978, 5373764, 6472943, 9281956, 10747528, 12945886, 18563912, 21495056, 25525379, 25891772, 37127824, 51050758, 51783544, 71202373, 102101516, 103567088, 122985917, 142404746, 204203032, 245971834, 284809492, 408406064, 491943668, 569618984, 983887336, 1139237968, 1352845087, 1967774672, 2705690174, 5411380348, 10822760696, 21645521392]

約数ペア:

[(1, 21645521392), (2, 10822760696), (4, 5411380348), (8, 2705690174), (11, 1967774672), (16, 1352845087), (19, 1139237968), (22, 983887336), (38, 569618984), (44, 491943668), (53, 408406064), (76, 284809492), (88, 245971834), (106, 204203032), (152, 142404746), (176, 122985917), (209, 103567088), (212, 102101516), (304, 71202373), (418, 51783544), (424, 51050758), (583, 37127824), (836, 25891772), (848, 25525379), (1007, 21495056), (1166, 18563912), (1672, 12945886), (2014, 10747528), (2332, 9281956), (3344, 6472943), (4028, 5373764), (4664, 4640978), (8056, 2686882), (9328, 2320489), (11077, 1954096), (16112, 1343441), (22154, 977048), (44308, 488524), (88616, 244262), (122131, 177232)]