21440892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 37265028

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 83, 103, 114, 132, 166, 206, 209, 228, 249, 309, 332, 412, 418, 498, 618, 627, 836, 913, 996, 1133, 1236, 1254, 1577, 1826, 1957, 2266, 2508, 2739, 3154, 3399, 3652, 3914, 4532, 4731, 5478, 5871, 6308, 6798, 7828, 8549, 9462, 10956, 11742, 13596, 17098, 17347, 18924, 21527, 23484, 25647, 34196, 34694, 43054, 51294, 52041, 64581, 69388, 86108, 94039, 102588, 104082, 129162, 162431, 188078, 208164, 258324, 282117, 324862, 376156, 487293, 564234, 649724, 974586, 1128468, 1786741, 1949172, 3573482, 5360223, 7146964, 10720446, 21440892]

約数ペア:

[(1, 21440892), (2, 10720446), (3, 7146964), (4, 5360223), (6, 3573482), (11, 1949172), (12, 1786741), (19, 1128468), (22, 974586), (33, 649724), (38, 564234), (44, 487293), (57, 376156), (66, 324862), (76, 282117), (83, 258324), (103, 208164), (114, 188078), (132, 162431), (166, 129162), (206, 104082), (209, 102588), (228, 94039), (249, 86108), (309, 69388), (332, 64581), (412, 52041), (418, 51294), (498, 43054), (618, 34694), (627, 34196), (836, 25647), (913, 23484), (996, 21527), (1133, 18924), (1236, 17347), (1254, 17098), (1577, 13596), (1826, 11742), (1957, 10956), (2266, 9462), (2508, 8549), (2739, 7828), (3154, 6798), (3399, 6308), (3652, 5871), (3914, 5478), (4532, 4731)]