21618972

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 35313540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 97, 123, 151, 164, 194, 246, 291, 302, 369, 388, 453, 492, 582, 604, 738, 873, 906, 1164, 1359, 1476, 1746, 1812, 2718, 3492, 3977, 5436, 6191, 7954, 11931, 12382, 14647, 15908, 18573, 23862, 24764, 29294, 35793, 37146, 43941, 47724, 55719, 58588, 71586, 74292, 87882, 111438, 131823, 143172, 175764, 222876, 263646, 527292, 600527, 1201054, 1801581, 2402108, 3603162, 5404743, 7206324, 10809486, 21618972]

約数ペア:

[(1, 21618972), (2, 10809486), (3, 7206324), (4, 5404743), (6, 3603162), (9, 2402108), (12, 1801581), (18, 1201054), (36, 600527), (41, 527292), (82, 263646), (97, 222876), (123, 175764), (151, 143172), (164, 131823), (194, 111438), (246, 87882), (291, 74292), (302, 71586), (369, 58588), (388, 55719), (453, 47724), (492, 43941), (582, 37146), (604, 35793), (738, 29294), (873, 24764), (906, 23862), (1164, 18573), (1359, 15908), (1476, 14647), (1746, 12382), (1812, 11931), (2718, 7954), (3492, 6191), (3977, 5436)]