21140260704

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{756739}}^1$

素因数の和:756852

約数の個数: 72

約数和(自身を含む): 60737465880

約数和(自身を除く): 39597205176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 776, 873, 1164, 1552, 1746, 2328, 3104, 3492, 4656, 6984, 9312, 13968, 27936, 756739, 1513478, 2270217, 3026956, 4540434, 6053912, 6810651, 9080868, 12107824, 13621302, 18161736, 24215648, 27242604, 36323472, 54485208, 72646944, 73403683, 108970416, 146807366, 217940832, 220211049, 293614732, 440422098, 587229464, 660633147, 880844196, 1174458928, 1321266294, 1761688392, 2348917856, 2642532588, 3523376784, 5285065176, 7046753568, 10570130352, 21140260704]

約数ペア:

[(1, 21140260704), (2, 10570130352), (3, 7046753568), (4, 5285065176), (6, 3523376784), (8, 2642532588), (9, 2348917856), (12, 1761688392), (16, 1321266294), (18, 1174458928), (24, 880844196), (32, 660633147), (36, 587229464), (48, 440422098), (72, 293614732), (96, 220211049), (97, 217940832), (144, 146807366), (194, 108970416), (288, 73403683), (291, 72646944), (388, 54485208), (582, 36323472), (776, 27242604), (873, 24215648), (1164, 18161736), (1552, 13621302), (1746, 12107824), (2328, 9080868), (3104, 6810651), (3492, 6053912), (4656, 4540434), (6984, 3026956), (9312, 2270217), (13968, 1513478), (27936, 756739)]