21368196

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 57081024

約数和(自身を除く): 35712828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 131, 138, 197, 207, 262, 276, 393, 394, 414, 524, 591, 786, 788, 828, 1179, 1182, 1572, 1773, 2358, 2364, 3013, 3546, 4531, 4716, 6026, 7092, 9039, 9062, 12052, 13593, 18078, 18124, 25807, 27117, 27186, 36156, 40779, 51614, 54234, 54372, 77421, 81558, 103228, 108468, 154842, 163116, 232263, 309684, 464526, 593561, 929052, 1187122, 1780683, 2374244, 3561366, 5342049, 7122732, 10684098, 21368196]

約数ペア:

[(1, 21368196), (2, 10684098), (3, 7122732), (4, 5342049), (6, 3561366), (9, 2374244), (12, 1780683), (18, 1187122), (23, 929052), (36, 593561), (46, 464526), (69, 309684), (92, 232263), (131, 163116), (138, 154842), (197, 108468), (207, 103228), (262, 81558), (276, 77421), (393, 54372), (394, 54234), (414, 51614), (524, 40779), (591, 36156), (786, 27186), (788, 27117), (828, 25807), (1179, 18124), (1182, 18078), (1572, 13593), (1773, 12052), (2358, 9062), (2364, 9039), (3013, 7092), (3546, 6026), (4531, 4716)]